“Even if it turns out that time travel is impossible, it is important that we understand why it is impossible.”
More from Stephen Hawking on Philosophy
“I believe things cannot make themselves impossible.”
“I believe the universe is governed by the laws of science. The laws may have been decreed by God, but God does not intervene to break the laws.”
“Not only does God play dice, but... he sometimes throws them where they cannot be seen.”
“I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.”
“The past, like the future, is indefinite and exists only as a spectrum of possibilities.”
Others on Philosophy
Ludwig Wittgenstein
22 quotes“The logic of the world is prior to all truth and falsehood.”
Christopher Hitchens
22 quotes“How much vanity must be concealed – not too effectively at that – in order to pretend that one is the personal object of...”
Nietzsche
22 quotes“One does not hate as long as one has a low esteem of someone, but only when one esteems him as an equal or a superior.”
Carl Jung
21 quotes“The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.”
Immanuel Kant
20 quotes“Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.”
Heraclitus
19 quotes“All things flow nothing abides.”
H. L. Mencken
17 quotes“We are here and it is now. Further than that, all human knowledge is moonshine.”
C.S. Lewis
15 quotes“[Consciousness] is either inexplicable illusion, or else revelation.”
Fyodor Dostoevsky
14 quotes“Consciousness is man's greatest misfortune, still I know that man loves it and will not exchange it for any satisfaction...”
Samuel Beckett
14 quotes“The end is in the beginning and yet you go on.”
Napoleon
14 quotes“Nothing is more difficult, and therefore more precious, than to be able to decide.”
Isaac Asimov
13 quotes“Society is much more easily soothed than one's own conscience.”