Prosperity is a great teacher...

Prosperity is a great teacher; adversity a greater.

--William Hazlitt

I'll say this for adversity...

I'll say this for adversity--people seem to be able to stand it, and that's more'n I kin say fer prosperity.

--Kim Hubbard

Adversity, if a man is set down...

Adversity, if a man is set down to it by degrees, is more supportable with equanimity by most people than any great prosperity arrived at in a single lifetime.

--Samuel Butler

Adversity has the effect of eliciting...

Adversity has the effect of eliciting talents, which in prosperous circumstances would have lain dormant.

--Horace