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

Run in the morning before your body figures out what you're doing

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

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

Shoot for the moon and even if you miss you’ll land among the stars/

In order to become better than anybody else you must first become better than yourself.

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

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

Nobody said it’d be easy, they just promised it would be worth it.

Your limitation - its only your imagination.

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.

Everything that happens was once a dream.

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

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

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.