It's always too early to quit.
The wise does at once what the fool does at last.
Problems are not stop signs, they are guidelines.
What you do today can improve all your tomorrows.
If you think you can do it, you can.
Know or listen to those who know.
To know oneself, one should assert oneself.
After a storm comes a calm.
The secret of getting ahead is getting started.
Never complain and never explain.
Famous remarks are very seldom quoted correctly.
