Whenever you find yourself doubting how far you can go, just remember how far you have come.

You're not in competition with anyone but yourself. Outdo your past, not other people.

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

We learn more from failure than we do from success.

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

Everything that happens was once a dream.

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

Everything you want is on the other side of fear

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

We all have two lives. The second begins when we realise we only have one. 

Skills are built not born.

Success is a journey, not a destination.

Shoot for the moon and even if you miss you’ll land among the stars/

Start, struggle, fail, fix and learn. Repeat.

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.