Don’t compare yourself to others. Compare yourself to the person you were yesterday.

It is never too late to become what you might have been

We learn more from failure than we do from success.

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

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

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

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

Tough times never last, but tough people do.

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

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

Don't fear failure, fear being in the same exact same place next year as you are now.

You cannot escape the responsibility of tomorrow by evading it today

I have not failed, I've just found 10,000 ways that won't work.

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

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.