Oochdd:
Ah, okay. But it's a close enough paraphrase for my tastes. (am not a textual scholar, so other people's mileage may vary

Yes, yes, I agree, mostly. As I said earlier, it is not so much the message being conveyed, but the actual claim that it is a quote from the Buddha, just does not seem right, somehow. Not that I am going to let it bother me, there are definitely worse things in the world to contend with.
As Confucious say,
Time flies like arrow. Fruit flies like bananas.
But, I am pretty sure Confucious did not actually say that.

Psi
P.S. So, I would suggest that if someone is paraphrasing or making up their own quote, they should either state they are paraphrasing, or put their own name to the quote..
Like this,
This is a paraphrase , so please bear that in mind, this is not what the Buddha actually said, but an interpretation.
“The Buddha once asked a student, “If a person is struck by an arrow, is it painful?” The student replied, “It is."The Buddha then asked, "If the person is struck by a second arrow, is that even more painful?” The student replied again, “It is.” The Buddha then explained, “In life, we cannot control the first arrow. However, the second arrow is our reaction to the first. The second arrow is optional.”
Or it could be worded like this, if this is the case,
“I once asked a student, “If a person is struck by an arrow, is it painful?” The student replied, “It is."I then asked, "If the person is struck by a second arrow, is that even more painful?” The student replied again, “It is.” I then explained, “In life, we cannot control the first arrow. However, the second arrow is our reaction to the first. The second arrow is optional.”
Since the Buddha never said what was written above anyway, the second quote box would be closer to the truth, and also my other point is that, the quote does not explain very well why the second arrow is optional. Because, as the Buddha explains, the second arrow is not option in an untrained mind. The untrained mind will either try to ignore the fact of the arrow, be averse to the reality of the arrow, or seek relief through the happiness of sensual pleasures to escape from the arrow. As the Buddha stated,
"When an untaught worldling is touched by a painful (bodily) feeling, he worries and grieves, he laments, beats his breast, weeps and is distraught. He thus experiences two kinds of feelings, a bodily and a mental feeling. It is as if a man were pierced by a dart and, following the first piercing, he is hit by a second dart. So that person will experience feelings caused by two darts. It is similar with an untaught worldling: when touched by a painful (bodily) feeling, he worries and grieves, he laments, beats his breast, weeps and is distraught. So he experiences two kinds of feeling: a bodily and a mental feeling."Having been touched by that painful feeling, he resists (and resents) it. Then in him who so resists (and resents) that painful feeling, an underlying tendency of resistance against that painful feeling comes to underlie (his mind). Under the impact of that painful feeling he then proceeds to enjoy sensual happiness. And why does he do so? An untaught worldling, O monks, does not know of any other escape from painful feelings except the enjoyment of sensual happiness. Then in him who enjoys sensual happiness, an underlying tendency to lust for pleasant feelings comes to underlie (his mind). He does not know, according to facts, the arising and ending of these feelings, nor the gratification, the danger and the escape, connected with these feelings. In him who lacks that knowledge, an underlying tendency to ignorance as to neutral feelings comes to underlie (his mind). When he experiences a pleasant feeling, a painful feeling or a neutral feeling, he feels it as one fettered by it. Such a one, O monks, is called an untaught worldling who is fettered by birth, by old age, by death, by sorrow, lamentation, pain, grief and despair. He is fettered by suffering, this I declare.
So, I would say that the second dart is not just a casual option as stated in the misquoting of Buddha. It seems, that it may be that the teachers are pointing to escape through the pleasant feelings, as does a worldling.
Like this, which is incorrect, from what I can tell.
A Student once asked the Buddha, " What do we do with this second dart?"
The Buddha replied,
"When you feel pain, just bring your attention back to the nice and pleasant sensations, kissy kissy. Now, hold the teddy bear close to your heart, and later we will get out our crayons and do some mindfulness coloring to ease all your tensions."
But, as with the above quote, which I hope is known to be an obvious parody, I do not think the quote in the box can be attributed to the Buddha , either.
And, if the above quote actually shows up as an actual teaching of the Buddha some many decades hence, then I declare little hope, for then the only hope will be for Stand Up Philosophers to save us.
https://www.youtube.com/watch?v=tl4VD8uvgec
Psi