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

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

Mistakes have the power to turn you into something better than you were before.

You can have results or excuses, not both

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

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

Start, struggle, fail, fix and learn. Repeat.

Fall down seven times, stand up eight.

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

The easiest person to deceive is yourself.

We learn more from failure than we do from success.

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

Skills are built not born.

99% of genius comes from hard work, the remaining 1% comes from innate talent

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