It is never too late to become what you might have been.
— George Eliot.
Our greatest glory is not in never failing but rising every time we fall.
If you think your actions are too small to make a difference, you’ve never been in a bed with a mosquito.
Dig the well before you are thirsty.
Good things come to those who wait, better things come to those who try.
A smooth sea never made a skillful mariner.
The fox fears not the man who boasts by night but the man who rises early in the morning.
— Gary Player
Simplify the problem until it goes away and then work backwards from your assumptions.