The temptation to quit will be the greatest when you are about to succeed

There are no bad mistakes in maths, only discoveries.

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

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

99% of genius comes from hard work, the remaining 1% comes from innate talent

The wise person knows that no answer is also an answer

You're not in competition with anyone but yourself. Outdo your past, not other people.

The master has failed more times than the beginner has even tried

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

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

Life is full of opportunities. With every opportunity that is missed, another one is born.

There are no shortcuts to any place worth going.

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

Time is your friend, impulse is your enemy.

Try and do one thing each day that you would really rather not do.