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

Don’t confuse your path with your destination. Just because its stormy now doesn’t mean you are headed for failure.

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

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

If you want to succeed, double your failure rate.

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

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

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

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

We learn more from failure than we do from success.

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

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

The temptation to quit will be the greatest when you are about to succeed

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

The journey of a thousand miles begins with one step.