Always desire to learn something useful.
After a storm comes a calm.
If you're going through hell, keep going.
If you think you can do it, you can.
Be gentle to all and stern with yourself.
I can, therefore I am.
Quality is not an act, it is a habit.
If you've got a talent, protect it.
Without hard work, nothing grows but weeds.
The wise does at once what the fool does at last.
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.