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

Knowledge is of no value unless you put it into practice.

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

It doesn’t matter where you start, it matters how you end

Fall down seven times, stand up eight.

Dreams don't work unless you do.

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

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 journey of a thousand miles begins with one step.

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

Skills are built not born.

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

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

Run in the morning before your body figures out what you're doing

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