We set up harsh and unkind ...

We set up harsh and unkind rules against ourselves. No one is born without faults. That man is best who has fewest.
We set up harsh and unkind rules against ourselves. No one is born without faults. That man is best who has fewest.

Quotes from the same author

Adversity has the effect of eliciting talents, which in prosperous circumstances would have lain dormant.
A heart well prepared for adversity in bad times hopes, and in good times fears for a change in fortune.
Begin, be bold, and venture to be wise.
Men more quickly and more gladly recall what they deride than what they approve and esteem.
Help a man against his will and you do the same as murder him.