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.

Run in the morning before your body figures out what you're doing

The journey of a thousand miles begins with one step. 

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

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

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

Everything you want is on the other side of fear

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

Skills are built not born.

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

I think, therefore I am.

Practice like you’ve never won. Perform like you’ve never lost.

Failure to prepare = preparing to fail

No one starts out on top. You have to work your way up.

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