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

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

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

You cannot start the next chapter of your life if you keep re-reading the last one.

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

Tough times never last, but tough people do.

Tomorrow is worth more than yesterday but less than today.

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

Don’t be afraid to work hard and find out how good you can really be.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

Procrastination makes easy things hard and hard things harder.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

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

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

I have not failed, I've just found 10,000 ways that won't work.