"Life is really simple, but we insist on making it complicated."

Confucius

"The only true wisdom is in knowing you know nothing."

Socrates

"To find yourself, think for yourself."

-Socrates

"The true measure of a man is how he treats someone who can do him absolutely no good."

-Samuel Johnson

"It does not matter how slowly you go as long as you do not stop."

-Confucius

"Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for."

-Socrates

"A journey of a thousand miles begins with a single step."

Lao Tzu 

"Our greatest glory is not in never falling, but in getting up every time we do."

-Confucius

“Those only are happy who have their minds fixed on some object other than their own happiness: on the happiness of others, on the improvement of mankind, even on some art or pursuit followed not as a means, but as itself an ideal end. Aiming at something else, they find happiness by the way.”

John Stuart Mill