Do not weep do not wax indignant. Understand.
After a storm comes a calm.
By failing to prepare, you are preparing to fail.
To be a good loser is to learn how to win.
Things do not happen. Things are made to happen.
The secret of getting ahead is getting started.
Wherever you are - be all there.
Be kind whenever possible. It is always possible.
It's always too early to quit.
You never know what motivates you.
I am a teacher, and I am proud of it. At Cornell University I have taught primarily undergraduates, and indeed almost every year since 1966 have taught first-year general chemistry.