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

I can is 100 times more important than IQ.

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

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

Fall down seven times, stand up eight.

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

The greatest glory in loving lies not in never falling, but in rising every time we fall.

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

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

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

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

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

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

The bad news is time flies, the good new is that you're the pilot.

Skills are built not born.