The possibility of reduced-time interstellar travel either by advanced extraterrestrial civilizations at present or ourselves in the future, is not fundamentally constrained by physical principles.

Today the vacuum [of space] is not regarded as empty. It is a sea of dynamic energy, like the spray of foam near a turbulent waterfall.

Attitude Is More Important Than Talent

Life is a journey toward the unknown. That is why life is so exciting!

Not to be rich, not to be famous, not to be mighty, not even to be happy, but to be civilized--that was the dream of his life.

When I met scientists, I found them to be as various as any other group of people.

Celebrity doesn't have anything to do with art or craft. It's about being rich and thinking that you're better than everybody else.

There are inquiries which are a sort of moral burglary.

Don't evaluate yourself, don't evaluate others. Just keep going after it.

There's ordinary people out there doing extraordinary things.

The law of the Creator, which invests every human being with an inalienable title to freedom, cannot be repealed by any interior law which asserts that man is property.

The court's recent understanding of religion as a private matter for individuals has plainly become malnourished and impoverished.