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

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

Fall down seven times, stand up eight.

We learn more from failure than we do from success.

Instead of finding reasons why you can't, find reasons why you can.

Your attitude is everything. Pick a good one.

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

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

I have not failed, I've just found 10,000 ways that won't work.

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.

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

A book a day keeps the stupidity away.

Failure to prepare = preparing to fail

You cannot start the next chapter of your life if you keep re-reading the last one.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.