You never know what motivates you.
If you can dream it, you can do it.
To be a good loser is to learn how to win.
Always desire to learn something useful.
Only the educated are free.
Do not weep do not wax indignant. Understand.
Know or listen to those who know.
If you've got a talent, protect it.
To know oneself, one should assert oneself.
Without hard work, nothing grows but weeds.
Imagination is as vital to any advance in science as learning and precision are essential for starting points.