The wise person knows that no answer is also an answer

Procrastination makes easy things hard and hard things harder.

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

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

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

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 expect to be good at maths or understand things straight away. Be patient and persistent. The most powerful warriors are patience and time.

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

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

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

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

A hero is no braver than an ordinary man, but he is braver five minutes longer.

You cannot escape the responsibility of tomorrow by evading it today

Try and do one thing each day that you would really rather not do.

There are no shortcuts to any place worth going.