Procrastination is the thief of time and the enemy of success.

Success is a journey, not a destination.

I think, therefore I am.

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

Failure to prepare = preparing to fail

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

You cannot start the next chapter of your life if you keep re-reading the last one.

99% of genius comes from hard work, the remaining 1% comes from innate talent

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

A hero is no braver than an ordinary man, but he is braver five minutes longer.

If you can understand just one thing thoroughly, then you will understand everything.

There are no shortcuts to any place worth going.

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

It is never too late to turn an unproductive day into a productive one.