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

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

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.

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

I can is 100 times more important than IQ.

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

Run in the morning before your body figures out what you're doing

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

No one starts out on top. You have to work your way up.

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

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

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

The greatest glory in loving lies not in never falling, but in rising every time we fall.

Procrastination makes easy things hard and hard things harder.

I think, therefore I am.