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.

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

There is great wisdom in being able to realise that you don’t understand something before it goes too far.

The road to success is like a staircase. If you want to succeed, double your failure rate

Do what you have always done and you will always be what you have always been

It always seems impossible until it's done.

Dreams don't work unless you do.

The greatest mistake we make is living in constant fear that we will make one.

Success can never happen without the journey (struggle).

You can have results or excuses, not both

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

Tomorrow is worth more than yesterday but less than today.

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

Everything that happens was once a dream.

There are no shortcuts to any place worth going.