I think, therefore I am.

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

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

Practice makes comfort. Expand your experiences regularly so every stretch won't feel like your first.

99% of failures come from people who have the habit of making excuses.

Failure is NOT your destiny. Failure is the key to success.

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.

The journey of a thousand miles begins with one step.

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

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

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

Don't fear failure, fear being in the same exact same place next year as you are now.

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

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

Hard work beats talent when talent doesn't work hard.