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.

Hard work beats talent when talent doesn't work hard.

We all make mistakes. What matters is how we choose to move forwards from them.

Time is your friend, impulse is your enemy.

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

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

The journey of a thousand miles begins with one step. 

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

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

Dreams don't work unless you do.

Tough times never last, but tough people do.

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

Fall down seven times, stand up eight.

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

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