I think, therefore I am.

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

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

I can is 100 times more important than IQ.

It doesn’t matter where you start, it matters how you end

The temptation to quit will be the greatest when you are about to succeed

Dreams don't work unless you do.

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

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

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

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.

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

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

Failure is not the opposite of success, it is part of the success.

Success is the sum of small repeated efforts, day in and day out.