The mind of a human being is formed only of comparisons made in order to examine analogies, and therefore cannot precede the existence of memory. Giacomo Casanova
The most mysterious feminine factor, the existence that we men, we don't know. It's woman. It's feminine. That's what the sword is about. That's the symbolic meaning of the sword. Ang Lee
The particular features of the photographic method of detecting atomic particles enabled us to establish the existence of transient forms of matter which had escaped recognition by other methods. Cecil Frank Powell
The problem with allowing God a role in the history of life is not that science would cease, but rather that scientists would have to acknowledge the existence of something important which is outside the boundaries of natural science. Phillip E. Johnson
The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals. Thomas Huxley
The theory of evolution by cumulative natural selection is the only theory we know of that is in principle capable of explaining the existence of organized complexity. Richard Dawkins
The very existence of flame-throwers proves that some time, somewhere, someone said to themselves, You know, I want to set those people over there on fire, but I'm just not close enough to get the job done. George Carlin
The very existence of government at all, infers inequality. The citizen who is preferred to office becomes the superior to those who are not, so long as he is the repository of power, and the child inherits the wealth of the parent as a controlling law of society. James F. Cooper
The very purpose of existence is to reconcile the glowing opinion we hold of ourselves with the appalling things that other people think about us. Quentin Crisp
The way I see things, the way I see life, I see it as a struggle. And there's a great deal of reward I have gained coming to that understanding - that existence is a struggle. Harvey Keitel