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

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

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

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

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

Success is a journey, not a destination.

You cannot escape the responsibility of tomorrow by evading it today

Failure to prepare = preparing to fail

Fall down seven times, stand up eight.

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. 

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

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

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

Procrastination makes easy things hard and hard things harder.

Everything that happens was once a dream.