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

Do what you have always done and you will always be what you have always been

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

Your attitude is everything. Pick a good one.

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

Success is a journey, not a destination.

Time is your friend, impulse is your enemy.

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

The road to success is like a staircase. If you want to succeed, double your failure rate

It is never too late to turn an unproductive day into a productive one.

Tough times never last, but tough people do.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

The easiest person to deceive is yourself.

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

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