Tough times never last, but tough people do.

Procrastination is the thief of time and the enemy of success.

Procrastination makes easy things hard and hard things harder.

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

The journey of a thousand miles begins with one step.

Success is not final and failure is not fatal. It is the courage to continue that counts.

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

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

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

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

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

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

Success is not final, failure is not fatal.  It is the courage to continue that counts.

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

Fall down seven times, stand up eight.