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

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

Everything you want is on the other side of fear

We learn more from failure than we do from success.

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. 

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

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

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

I think, therefore I am.

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

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

Lose an hour in the morning and you will spend all day looking for it.

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

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

99% of genius comes from hard work, the remaining 1% comes from innate talent