Misfortunes, untoward events, ...

Misfortunes, untoward events, lay open, disclose the skill of a general, while success conceals his weakness, his weak points.
Misfortunes, untoward events, lay open, disclose the skill of a general, while success conceals his weakness, his weak points.

More phrases

Effort only fully releases its reward after a person refuses to quit.
Never complain and never explain.
A good plan violently executed now is better than a perfect plan executed next week.
 George S. Patton
Problems are not stop signs, they are guidelines.
 Robert Schuller
Never give up, for that is just the place and time that the tide will turn.
 Harriet Beecher Stowe

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.