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

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

Everything that happens was once a dream.

Your attitude is everything. Pick a good one.

Patience is when you’re supposed to get mad, but you choose to understand

Your limitation - its only your imagination.

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. 

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

There are no bad mistakes in maths, only discoveries.

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

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

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

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

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

The greatest enemy to human potential is your comfort zone