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.

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

You cannot escape the responsibility of tomorrow by evading it today

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

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

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

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

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

99% of genius comes from hard work, the remaining 1% comes from innate talent

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

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

We are all maths people : step 1 - do maths and step 2 - be a person. 

Whenever you find yourself doubting how far you can go, just remember how far you have come.

The master has failed more times than the beginner has even tried

If you can understand just one thing thoroughly, then you will understand everything.