Man will not always stay on Earth; the pursuit of light and space will lead him to penetrate the bounds of the atmosphere, timidly at first, but in the end to conquer the whole of solar space.

Man must at all costs overcome the Earth's gravity and have, in reserve, the space at least of the Solar System.

The Earth is the cradle of Humanity. But one doesn't always live in the cradle.

First, inevitably, the idea, the fantasy, the fairy tale. Then, scientific calculation. Ultimately, fulfillment crowns the dream.

All our knowledge - past, present, and future - is nothing compared to what we will never know.

A planet is the cradle of mind, but one cannot live in a cradle forever.

Earth is the cradle of humanity, but one cannot live in a cradle forever.

The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever.

From the moment of using rocket devices, a great new era will begin in astronomy: the epoch of the more intensive study of the firmament.

I do not remember how it got into my head to make the first calculations related to rocket. It seems to me the first seeds were planted by famous fantaseour, J. Verne.

All the universe is full of the lives of perfect creatures.

In AA we don’t come to God through theology but through experience, mostly of the humbling and humiliating variety, often reluctantly, and sometimes even kicking and screaming. – p. 179

Making it a valid law to learn by suffering.

Style is not an end in itself, it is only a means to an end - the means of telling a story.

The same sun that melts butter hardens clay.

I don't believe in hero worship.

Inequalities of Fate very curious. Should like, on this account, to believe in Reincarnation.

I am a sick man...I am a spiteful man. I am a most unpleasant man.

I had a bowl cut for years, and glasses. When Harry Potter became famous, I looked just like him.

Don’t waste another day of your life grieving over something that you cannot do anything about. Let God give you a new beginning. Your mistakes are not enough to stop God if you don’t let them.

Dont avoid extremes, and dont choose any one extreme. Remain available to both the polarities - that is the art, the secret of balancing.