Never complain and never explain.
Be gentle to all and stern with yourself.
Know or listen to those who know.
Well done is better than well said.
The secret of getting ahead is getting started.
Only the educated are free.
If you're going through hell, keep going.
To know oneself, one should assert oneself.
You never know what motivates you.
By failing to prepare, you are preparing to fail.
There are two theories on hitting the knuckleball. Unfortunately, neither of them works.