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. 

Just stick with it, what seems hard now will one day be your warm up.

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

Dreams don't work unless you do.

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

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

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

"I" not them. Be the best version of you.

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

Fall down seven times, stand up eight.

FAIL - First Attempt In Learning

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

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

There are no shortcuts to any place worth going.

Procrastination makes easy things hard and hard things harder.