99% of failures come from people who have the habit of making excuses.

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

Everything you want is on the other side of fear

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

Never underestimate the importance of small steps. small steps = big changes. 

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

Hope might be a good breakfast, but it makes a very poor dinner

Time is your friend, impulse is your enemy.

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

Tough times never last, but tough people do.

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

It always seems impossible until it's done.

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

The greatest enemy to human potential is your comfort zone

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