The secret of getting ahead is getting started.
You never know what motivates you.
It's always too early to quit.
Never complain and never explain.
Only the educated are free.
Well done is better than well said.
Leap, and the net will appear.
What you do today can improve all your tomorrows.
Either you run the day or the day runs you.
If you can dream it, you can do it.
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.