Whenever you find yourself doubting how far you can go, just remember how far you have come.

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

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

There are no shortcuts to any place worth going.

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

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

We learn more from failure than we do from success.

The easiest person to deceive is yourself.

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

Tough times never last, but tough people do.

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

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.

The greatest mistake we make is living in constant fear that we will make one.

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