“Life is what happens when you're busy making other plans.”

“In the middle of difficulty lies opportunity.”

“Happiness is not something ready made. It comes from your own actions.”

“The best time to plant a tree was 20 years ago. The second best time is now.”

“Strive not to be a success, but rather to be of value.”

“The mind is everything. What you think you become.”

“An unexamined life is not worth living.”

“What lies behind us and what lies before us are tiny matters compared to what lies within us.”

“In the middle of difficulty lies opportunity.”

“It is during our darkest moments that we must focus to see the light.”

“Success is not final, failure is not fatal: it is the courage to continue that counts.”

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

“The journey of a thousand miles begins with one step.”

“Be the change that you wish to see in the world.”

“Education is the most powerful weapon which you can use to change the world.”