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

The greatest enemy to human potential is your comfort zone

Time is your friend, impulse is your enemy.

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

There are no shortcuts to any place worth going.

The journey of a thousand miles begins with one step.

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

The road to success is like a staircase. If you want to succeed, double your failure rate

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 master has failed more times than the beginner has even tried

The wise person knows that no answer is also an answer

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

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

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

It is never too late to become what you might have been