Failure can be bought on easy terms; success must be paid for in advance

Laughing at our mistakes can lengthen our own life. Laughing at someone else's can shorten it.

Talk is cheap - except when Congress does it.

After our ages-long journey from savagery to civility, let's hope we haven't bought a round-trip ticket.

Strangers are what friends are made of.

We experience moments absolutely free from worry. These brief respites are called panic.

Discipline without freedom is tyranny; freedom without discipline is chaos.

The only way some of us exercise our minds is by jumping to conclusions.

The human body was designed to walk, run or stop; it wasn't built for coasting.

We may not imagine how our lives could be more frustrating and complex - but Congress can.

The prime of life is that fleeting time between green and over-ripe.

Your greatest awakening comes, when you are aware about your infinite nature.

Interviewer: "Didn't [Sagan] want to believe?" Druyan: "He didn't want to believe. He wanted to know.

Troubles are exceedingly gregarious in their nature, and flying in flocks are apt to perch capriciously.

Let's not be too rough on our own ignorance, it's what makes America great.

Those who enter the country illegally violate the law.

Bad teaching wastes a great deal of effort, and spoils many lives which might have been full of energy and happiness.

If you want creative and successful children, resign yourself to jousting with rebels.

My advice to women directors is just to make the best work possible.

Every part of you that you do not love will regress and become hostile towards you.

I loved cinema while growing up and, for the longest time, wanted to be a director.