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

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

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.

Just stick with it, what seems hard now will one day be your warm up.

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

Success is a journey, not a destination.

He who has begun his task is half-way done. Have the courage to begin!

Tough times never last, but tough people do.

Knowledge is of no value unless you put it into practice.

Fall down seven times, stand up eight.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Don’t hang your targets after you’re done shooting.

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