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

The greatest enemy to human potential is your comfort zone

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

We learn more from failure than we do from success.

I have not failed, I've just found 10,000 ways that won't work.

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

Time is your friend, impulse is your enemy.

Dreams don't work unless you do.

It doesn’t matter where you start, it matters how you end

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.

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

Procrastination makes easy things hard and hard things harder.

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

Failure to prepare = preparing to fail