Only one who devotes himself to a cause with his whole strength and soul can be a true master. For this reason mastery demands all of a person.
Albert Einstein

I never considered a difference of opinion in politics, in religion, in philosophy, as cause for withdrawing from a friend.
Thomas Jefferson

The natural cause of the human mind is certainly from credulity to skepticism.
Thomas Jefferson

I call upon the scientific community in our country, those who gave us nuclear weapons, to turn their great talents now to the cause of mankind and world peace: to give us the means of rendering these nuclear weapons impotent and obsolete.
Ronald Reagan

I firmly believe that any man's finest hour, the greatest fulfillment of all that he holds dear, is that moment when he has worked his heart out in a good cause and lies exhausted on the field of battle - victorious.
Vince Lombardi

The probability that we may fail in the struggle ought not to deter us from the support of a cause we believe to be just.
Abraham Lincoln

I hope to stand firm enough to not go backward, and yet not go forward fast enough to wreck the country's cause.
Abraham Lincoln

Just cause you got the monkey off your back doesn't mean the circus has left town.
George Carlin

An explanation of cause is not a justification by reason.
C. S. Lewis

Philanthropy is commendable, but it must not cause the philanthropist to overlook the circumstances of economic injustice which make philanthropy necessary.
Martin Luther King, Jr.

I am prepared to die, but there is no cause for which I am prepared to kill.
Mohandas Gandhi

Truth never damages a cause that is just.
Mohandas Gandhi

Intolerance betrays want of faith in one's cause.
Mohandas Gandhi

Action is a great restorer and builder of confidence. Inaction is not only the result, but the cause, of fear. Perhaps the action you take will be successful; perhaps different action or adjustments will have to follow. But any action is better than no action at all.
Norman Vincent Peale

At times one remains faithful to a cause only because its opponents do not cease to be insipid.
Friedrich Nietzsche

You say it is the good cause that hallows even war? I say unto you: it is the good war that hallows any cause.
Friedrich Nietzsche

Every man is a creative cause of what happens, a primum mobile with an original movement.
Friedrich Nietzsche

No man is worth his salt who is not ready at all times to risk his well-being, to risk his body, to risk his life, in a great cause.
Theodore Roosevelt

I wear a necklace, cause I wanna know when I'm upside down.
Mitch Hedberg

The work goes on, the cause endures, the hope still lives and the dreams shall never die.
Edward Kennedy