Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

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

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

I think, therefore I am.

We learn more from failure than we do from success.

Everything you want is on the other side of fear

Fall down seven times, stand up eight.

Hard work beats talent when talent doesn't work hard.

Tough times never last, but tough people do.

Success is a journey, not a destination.

The journey of a thousand miles begins with one step. 

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

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

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

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