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

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

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

I think, therefore I am.

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

Tough times never last, but tough people do.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

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

You can hire a tutor but you can't hire someone to practice for you.

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

Time is your friend, impulse is your enemy.

It is never too late to turn an unproductive day into a productive one.

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

Everything you want is on the other side of fear

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.