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

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.

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

No one starts out on top. You have to work your way up.

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

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

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

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

You cannot escape the responsibility of tomorrow by evading it today

Fall down seven times, stand up eight.

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

Never underestimate the importance of small steps. small steps = big changes. 

We learn more from failure than we do from success.

You can have results or excuses, not both

The wise person knows that no answer is also an answer