Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Procrastination makes easy things hard and hard things harder.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

Dreams don't work unless you do.

There are no bad mistakes in maths, only discoveries.

We all make mistakes. What matters is how we choose to move forwards from them.

The journey of a thousand miles begins with one step. 

Failure is not the opposite of success, it is part of the success.

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

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

Tough times never last, but tough people do.

You cannot start the next chapter of your life if you keep re-reading the last one.

Success is not final, failure is not fatal.  It is the courage to continue that counts.

You can have results or excuses, not both

I have not failed, I've just found 10,000 ways that won't work.