Never underestimate the importance of small steps. small steps = big changes. 

It doesn’t matter where you start, it matters how you end

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

Failure is NOT your destiny. Failure is the key to success.

If you want to succeed, double your failure rate.

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

Try and do one thing each day that you would really rather not do.

Tough times never last, but tough people do.

The wise person knows that no answer is also an answer

I think, therefore I am.

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

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

Procrastination makes easy things hard and hard things harder.

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

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