Instead of finding reasons why you can't, find reasons why you can.

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.

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

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Patience is when you’re supposed to get mad, but you choose to understand

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

If you fail, next time fail better.

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

Whenever you find yourself doubting how far you can go, just remember how far you have come.

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

There are no shortcuts to any place worth going.

We all make mistakes. What matters is how we choose to move forwards from them.

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

Time is your friend, impulse is your enemy.

The bad news is time flies, the good new is that you're the pilot.