There are no bad mistakes in maths, only discoveries.

It doesn’t matter where you start, it matters how you end

I have not failed, I've just found 10,000 ways that won't work.

The journey of a thousand miles begins with one step. 

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

Dreams don't work unless you do.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

The wise person knows that no answer is also an answer

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

The journey of a thousand miles begins with one step.

If you want to succeed, double your failure rate.

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

Hard work - a two way street where you get exactly what you put in.

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

The easiest person to deceive is yourself.