I think, therefore I am.

There is no elevator to success, you have to take the stairs.

We learn more from failure than we do from success.

The road to success is like a staircase. If you want to succeed, double your failure rate

Pure mathematics is in its way, the poetry of logical ideas.

Dreams don't work unless you do.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

You cannot escape the responsibility of tomorrow by evading it today

Procrastination makes easy things hard and hard things harder.

Everything you want is on the other side of fear

The bad news is time flies, the good new is that you're the pilot.

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

I can is 100 times more important than IQ.

Skills are built not born.