“To want to be what one can be is purpose in life.”

“To think what is true, to sense what is beautiful and to want what is good, hereby the spirit finds purpose of a life in reason.”

“Know what is the purpose of life that you are inclined to serve, that you are drawn to. Do what makes your heart leap rather than simply follow some style or fashion. Not everyone can or should be a scientists. Not everyone can or should be any one thing. People need to know what kind of purpose they can serve.”

“The purpose of life is to struggle as hard as you can for what you believe in, and enjoy the struggle.”

“Here is one quality that one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.”

“If you want to live a purpose filled life, what better goal to guide your career is there than saving the planet?”

“That is all I want in life: for this pain to seem purposeful.”

“Life is a neutral thing. It can be either meaningful or meaningless. You are the one who must give it a purpose.”

“This "knowing what to do"… is a matter of having the right purpose, the purpose appropriate to the situation in hand… The one who "knows what to do" is the one on whom you can rely to make the best shot at success, whenever success is possible.”

“The basic purpose of life and the basic purpose of education is to enhance one’s boundaries of perception.”