Procrastination is the thief of time and the enemy of success.

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

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.

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

I think, therefore I am.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

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

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

The greatest enemy to human potential is your comfort zone

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

Knowledge is of no value unless you put it into practice.

Dreams don't work unless you do.

There is no elevator to success, you have to take the stairs.

There are no bad mistakes in maths, only discoveries.

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