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

If you can understand just one thing thoroughly, then you will understand everything.

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

Failure to prepare = preparing to fail

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

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

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

There are no shortcuts to any place worth going.

Tough times never last, but tough people do.

Skills are built not born.

We all have two lives. The second begins when we realise we only have one. 

If you fail, next time fail better.

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

Lose an hour in the morning and you will spend all day looking for it.

The journey of a thousand miles begins with one step.