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

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

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

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

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

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

Try and do one thing each day that you would really rather not do.

Life is full of opportunities. With every opportunity that is missed, another one is born.

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

Instead of finding reasons why you can't, find reasons why you can.

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

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

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.

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

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