"I" not them. Be the best version of you.

The greatest mistake we make is living in constant fear that we will make one.

If you fail, next time fail better.

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

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.

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

There are no bad mistakes in maths, only discoveries.

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

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

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

Knowledge is of no value unless you put it into practice.

Do what you have always done and you will always be what you have always been

A book a day keeps the stupidity away.

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

A hero is no braver than an ordinary man, but he is braver five minutes longer.