The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

The greatest enemy to human potential is your comfort zone

Tough times never last, but tough people do.

The temptation to quit will be the greatest when you are about to succeed

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

Dreams don't work unless you do.

Knowledge is of no value unless you put it into practice.

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

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

Success is the sum of small repeated efforts, day in and day out.

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

You can hire a tutor but you can't hire someone to practice for you.

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

There are no bad mistakes in maths, only discoveries.

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