Fall down seven times, stand up eight.

Life is full of opportunities. With every opportunity that is missed, another one is born.

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.

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

Pure mathematics is in its way, the poetry of logical ideas.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

Procrastination makes easy things hard and hard things harder.

Success is a journey, not a destination.

There are no shortcuts to any place worth going.

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

The journey of a thousand miles begins with one step.

The greatest glory in loving lies not in never falling, but in rising every time we fall.

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

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

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.