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

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

Success is a journey, not a destination.

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

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

Hard work beats talent when talent doesn't work hard.

The journey of a thousand miles begins with one step. 

Time is your friend, impulse is your enemy.

Procrastination makes easy things hard and hard things harder.

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

I think, therefore I am.

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

I can is 100 times more important than IQ.

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