He that has never known adversity is but half acquainted with others or himself.

All rising to great place is by a winding stair.

He knows not his own strength that hath not met adversity.

Prosperity doth best discover vice; but adversity doth best discover virtue.

Prosperity is not without many fears and distastes; and adversity is not without comforts and hopes.

Prosperity is the blessing of the Old Testament, adversity is the blessing of the New.

...I was brought low, and he helped me.

Adversity has the same effect on a man that severe training has on the pugilist-it reduces him to his fighting weight.

It is a great thing, when our Gethsemane hours come, when the cup of bitterness is pressed to our lips ... to feel that it is not fate, that it is not necessity, but divine love for good ends working upon us.

Bad times have a scientific value. These are occasions a good learner would not miss.