I think, therefore I am.

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

Hard work beats talent when talent doesn't work hard.

Time is your friend, impulse is your enemy.

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.

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

Success is not final, failure is not fatal.  It is the courage to continue that counts.

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

It always seems impossible until it's done.

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

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

Lose an hour in the morning and you will spend all day looking for it.

Success is the sum of small repeated efforts, day in and day out.

Practice makes comfort. Expand your experiences regularly so every stretch won't feel like your first.

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