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

Hard work - a two way street where you get exactly what you put in.

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.

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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

You can be shown the path, but only you can make the first step.

Everything you want is on the other side of fear

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

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

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

You cannot escape the responsibility of tomorrow by evading it today

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

If you want to succeed, double your failure rate.

Life is full of opportunities. With every opportunity that is missed, another one is born.

The master has failed more times than the beginner has even tried