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

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

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

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

Don’t be afraid to work hard and find out how good you can really be.

The easiest person to deceive is yourself.

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

I think, therefore I am.

The greatest enemy to human potential is your comfort zone

You cannot escape the responsibility of tomorrow by evading it today

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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Everything you want is on the other side of fear

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