To play a wrong note is insignificant. To play without passion is inexcusable.

Every civilization is, among other things, an arrangement for domesticating the passions and setting them to do useful work.

Pleasure without joy is as hollow as passion without tenderness.

My mission in life is not merely to survive, but to thrive; and to do so with some passion, some compassion, some humor, and some style.

Why has government been instituted? Because the passions of men will not conform to the dictates of reason & justice without constraint.

An irresistible passion that would induce me to believe in innate ideas and the truth of prophecy has decided my career. I have always loved liberty with the enthusiasm which actuates the religious man with the passion of a lover and with the conviction of a geometrician.

Do not hire a man who does your work for money but him who does it for love of it.

The mind is not a vessel to be filled but a fire to be kindled.

I think that, as life is action and passion, it is required of a man that he should share the passion and action of his time at peril of being judged not to have lived.

And, more importantly, reach for the stars. And realize that it is never too late—not now, not ever—for you to pursue you passion, your pursuit of perfection. And most importantly, your perseverance for making it happen.

You have to be burning with an idea, or a problem, or a wrong that you want to right. If you're not passionate enough from the start, you'll never stick it out.