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

Hope might be a good breakfast, but it makes a very poor dinner

The power of reflection is the most powerful skill you’ll learn.

Tough times never last, but tough people do.

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

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. 

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.

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

We learn more from failure than we do from success.

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

There are no shortcuts to any place worth going.

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

Don't fear failure, fear being in the same exact same place next year as you are now.

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

You can have results or excuses, not both