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

Failure to prepare = preparing to fail

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

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

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

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

There are no bad mistakes in maths, only discoveries.

You cannot escape the responsibility of tomorrow by evading it today

The greatest glory in loving lies not in never falling, but in rising every time we fall.

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

Never let a dark chapter make you forget that better days are ahead of you. Your story is far from over.

You can have results or excuses, not both

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

If you want to succeed, double your failure rate.

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