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

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

Instead of finding reasons why you can't, find reasons why you can.

Time is your friend, impulse is your enemy.

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

Don’t practice until you get it right, practice until you can’t get it wrong.

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

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

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

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

We are all maths people : step 1 - do maths and step 2 - be a person. 

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

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.

Everything you want is on the other side of fear

It always seems impossible until it's done.