“Superhuman effort isn't worth a damn unless it achieves res — Ernest Shackleton

The function of education is to teach one to think intensively and critically.

— Martin Luther King Jr.

The quality of a man's life is in direct proportion to his commitment to excellence.

— Zig Ziglar

Success is not the key to happiness. Happiness is the key to success.

— Albert Einstein

It is not the strength of the body that counts, but the strength of the spirit.

— Jim Rohn