Ether is the only substance we are confident of in dynamics. One thing we are sure of and that is the reality and substantiality of the luminferous ether.

If you can not measure it, you can not improve it.

If you study science deep enough and long enough, it will force you to believe in God.

Heavier-than-air flying machines are impossible.

Can you measure it? Can you express it in figures? Can you make a model of it? If not, your theory is apt to be based more upon imagination than upon knowledge.

When you are face to face with a difficulty, you are up against a discovery.

In science there is only physics; all the rest is stamp collecting.

Radio has no future." "X-rays are clearly a hoax". "The aeroplane is scientifically impossible.

When you can measure what you are speaking about, and express it in numbers, you know something about it.

To measure is to know.

Large increases in cost with questionable increases in performance can be tolerated only in race horses and fancy women.

Was then not all sorrow in time, all self-torment and fear in time? Were not all difficulties and evil in the world conquered as soon as one conquered time, as soon as one dispelled time?

The man who follows the crowd will usually get no further than the crowd. The man who walks alone is likely to find himself in places no one has ever been.

Everything is art and it's part of the painting. (To talk with somebody it's art, to understand a language is art, to understand a book is art, to understand somebody is art...)

There is no thing we cannot overcome Say not thy evil instinct is inherited, Or that some trait inborn makes thy whole life forlorn, And calls down punishment that is not merited.

I worry that humanity has been "advanced" to its present level of incompetency because evolution works on the Peter Principle.

Somewhere someone is looking for exactly what you have to offer.

I think it's sad when people stop dreaming, or start losing hope. Because holding onto the bonkers dream might just turn out to be the most marvellous thing you ever did.

There can be no society without poetry, but society can never be realized as poetry, it is never poetic. Sometimes the two terms seek to break apart. They cannot.

I want to smash this concrete world into oblivion. I want to be bigger, better, stronger. I want to be the bird that flies away.

All cultures have been mingled forever.