It's always too early to quit.
To know oneself, one should assert oneself.
If you think you can do it, you can.
The most effective way to do it, is to do it.
The wise does at once what the fool does at last.
Never complain and never explain.
Wherever you are - be all there.
Only the educated are free.
To be a good loser is to learn how to win.
Do not weep do not wax indignant. Understand.
Good management is the art of making problems so interesting and their solutions so constructive that everyone wants to get to work and deal with them.