To know oneself, one should assert oneself.
Go for it now. The future is promised to no one.
You never know what motivates you.
It's always too early to quit.
Only the educated are free.
If you've got a talent, protect it.
Problems are not stop signs, they are guidelines.
Expect problems and eat them for breakfast.
Without hard work, nothing grows but weeds.
Either you run the day or the day runs you.
They can shout down the head of the physics department at Cal Tech.
He's a novice, but he's had these - he's experienced in leadership in tight circumstances. He started - he dropped the first bomb, led the first air strike into North Vietnam.