If you think you can do it, you can.
After a storm comes a calm.
Know or listen to those who know.
It's always too early to quit.
Never complain and never explain.
Who seeks shall find.
The wise does at once what the fool does at last.
I can, therefore I am.
Go for it now. The future is promised to no one.
Always desire to learn something useful.
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.