If you can understand just one thing thoroughly, then you will understand everything.

Lose an hour in the morning and you will spend all day looking for it.

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. 

A book a day keeps the stupidity away.

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

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

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

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

It is never too late to turn an unproductive day into a productive one.

Don't fear failure, fear being in the same exact same place next year as you are now.

Whenever you find yourself doubting how far you can go, just remember how far you have come.

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

It always seems impossible until it's done.

If you fail, next time fail better.

Nobody said it’d be easy, they just promised it would be worth it.