It always seems impossible until it's done.

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

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

We all have two lives. The second begins when we realise we only have one. 

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

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

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.

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

Everything you want is on the other side of fear

Practice like you’ve never won. Perform like you’ve never lost.

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

If you can understand just one thing thoroughly, then you will understand everything.

Procrastination makes easy things hard and hard things harder.

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

There are no shortcuts to any place worth going.