“Bravery comes along as a gradual accumulation of discipline”

“Humanity is destined to explore, settle, and expand outward into the universe.”

“There may be aliens in our Milky Way galaxy, and there are billions of other galaxies. The probability is almost certain that there is life somewhere in space.”

“Space travel for everyone is the next frontier in the human experience.”

“As we begin to have landings on the moon, we can alternate those with vertical launch of similar crew modules on similar launch vehicles for vertical-launch tourism in space, if you want to call it...”

“As someone who flew two space capsules and twice landed in the ocean, I can attest from personal experience how much logistics work is needed to get you home.”

“Justice is the only worship.Love is the only priest.Ignorance is the only slavery.Happiness is the only good.The time to be happy is now,The place to be happy is here,The way to be happy is to make...”

“Be a good human.”

“Our country in general assumes that "the pursuit of happiness" really means "the pursuit of pleasure" and that therefore pleasure is the greatest good.”

“Move to a new country and you quickly see that visiting a place as a tourist, and actually moving there for good, are two very different things.”

“A five-hour flight works out to three days and nights on land, by rail, from sea to shining sea. You can chalk off the hours on the back of the seat ahead. But seventy-some hours will not seem so l...”

“The impoverished always try to keep moving, as if relocating might help.”

“I know a man who drives 600 yards to work. I know a woman who gets in her car to go a quarter of a mile to a college gymnasium to walk on a treadmill, then complains passionately about the difficul...”

“Go for the hum.”

“Of the big five factors in happinessflexible schedule, imagination, diet, exercise, and sleepmy pick for the most important is exercise.”