If you think you can do it, you can.
Either you run the day or the day runs you.
By failing to prepare, you are preparing to fail.
Do not weep do not wax indignant. Understand.
If you've got a talent, protect it.
To know oneself, one should assert oneself.
Never complain and never explain.
Who seeks shall find.
The wise does at once what the fool does at last.
Problems are not stop signs, they are guidelines.
Half of the modern drugs could well be thrown out of the window, except that the birds might eat them.
Knowledge is a process of piling up facts wisdom lies in their simplification.