When you make a mistake, take another chance. Only when you choose not to do so do you fail.

Hard work - a two way street where you get exactly what you put in.

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

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

The journey of a thousand miles begins with one step. 

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

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

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

He who has begun his task is half-way done. Have the courage to begin!

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

Whenever you find yourself doubting how far you can go, just remember how far you have come.

Don’t hang your targets after you’re done shooting.

The bad news is time flies, the good new is that you're the pilot.

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

If you want to succeed, double your failure rate.