Only the educated are free.
What you do today can improve all your tomorrows.
It's always too early to quit.
To know oneself, one should assert oneself.
By failing to prepare, you are preparing to fail.
Well done is better than well said.
Do not weep do not wax indignant. Understand.
Never complain and never explain.
Quality is not an act, it is a habit.
You never know what motivates you.
I disapprove of what you say, but I will defend to the death your right to say it.