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

A book a day keeps the stupidity away.

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

Failure to prepare = preparing to fail

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

The wise person knows that no answer is also an answer

Time is your friend, impulse is your enemy.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

Failure is not the opposite of success, it is part of the success.

Procrastination makes easy things hard and hard things harder.

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

Tomorrow is worth more than yesterday but less than today.

There is no elevator to success, you have to take the stairs.

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