To know oneself, one should assert oneself.
If you've got a talent, protect it.
Well done is better than well said.
After a storm comes a calm.
To be a good loser is to learn how to win.
If you think you can do it, you can.
Know or listen to those who know.
The secret of getting ahead is getting started.
Only the educated are free.
By failing to prepare, you are preparing to fail.
The frontiers of knowledge in the various fields of our subject are expanding at such a rate that, work as hard as one can, one finds oneself further and further away from an understanding of the whole.