We all have two lives. The second begins when we realise we only have one. 

Success can never happen without the journey (struggle).

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

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

Your attitude is everything. Pick a good one.

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Go as far as you can see, when you get there, you’ll be able to see further

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

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

The bad news is time flies, the good new is that you're the pilot.

Fall down seven times, stand up eight.

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

Hard work beats talent when talent doesn't work hard.

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

Never underestimate the importance of small steps. small steps = big changes.