If all those people are getting wet to welcome me, surely the least I can do is get wet too!

When I orbited the Earth in a spaceship, I saw for the first time how beautiful our planet is. Mankind, let us preserve and increase this beauty, and not destroy it!

Looking at the earth from afar you realize it is too small for conflict and just big enough for co-operation.

I see Earth! It is so beautiful.

Circling the earth in the orbital spaceship I marvelled at the beauty of our planet. People of the world!! Let us safeguard and enhance this beauty-not destroy it

To be the first to enter the cosmos, to engage, single-handed, in an unprecedented duel with nature-could one dream of anything more?

The Earth is blue... how wonderful. It is amazing

I could have gone on flying through space forever.

The path of a cosmonaut is not an easy, triumphant march to glory. You have to get to know the meaning not just of joy but also of grief, before being allowed in the spacecraft cabin.

I am watching the Earth. The visibility is good. I feel well and cheerful. The machine is functioning normally.

I feel fine. How about you?

Today stretches ahead of you waiting to be shaped. You are the sculptor who gets to do the shaping. What today will be like is up to you.

Most people feel that they rise in their own eyes, if others want them.”“I feel that others live up to me, if they want me...

I think there are probably just as many adults who would miss the humor of my books, if not more, as there are children.

Rogues are prone to find things before they are lost.

Down with boredom. It has to go.

If you don't leave, I'll get somebody who will.

Wouldn't that put a twist in your toga?

The worst thing you can try to do is to steer the story once it gets going. You just kind of follow along and see where it goes. That's the fun.

There are two races of men in this world but only these two: the race of the decent man and the race of the indecent man.

We don't need a fuel that's cleaner, we need a fuel that happens to be cleaner, but is half the price of oil.