Since we took to the sky, we have wanted to fly faster and farther. And to do so, we've had to believe in impossible things and we've had to refuse to fear failure.

Failure isn't a problem. It's the fear of failure that's the limiting factor. You can't lose your nerve for the big failure, because it's the exact same nerve you need for the big success.

The path to truly new, never-been-done-before things always has failure along the way.

[We're making materials] so light that you can make a car that two people can lift, but so strong that it has the crash-worthiness of an SUV.

At Mach 20, we can fly from New York to Long Beach in 11 minutes and 20 seconds.

Where do dreams come from?...they slink out of books, they lurk in the stacks of libraries. Out of pages turned they rise like the scent of peonies and infect the brain with their promises.

An aware heart is a grateful heart.

I never gossip but I can give you the names of certain people who do.

I'm not Jack Nicholson. I'm not Brando. But I do mumble.

He swept Raisa up into his arms and kissed her like it was his first, last, and only

The key to all sciences is unquestionably the question mark. To the word How? we owe most of our greatest discoveries. Wisdom in life may perhaps consist in asking ourselves on all occasions: Why?

Activism is something that no one can fake. You get angry. You cry. But you never throw in your towel, because that anger is what is propelling you to further action.

In a stupid society, a clever man can come into the power; but in a clever society no stupid can come into the power!

Great healers, people of divine realization, do not cure by chance but by exact knowledge.

The Syrian army is tired of corruption. It is tired of party nepotism. It is becoming very angry with those it blames for the war.