Man has to awaken to wonder – and so perhaps do peoples. Science is a way of sending him to sleep again. – Ludwig Wittgenstein
A serious and good philosophical work could be written consisting entirely of jokes. – Ludwig Wittgenstein
When one is frightened of the truth then it is never the whole truth that one has an inkling of. – Ludwig Wittgenstein
I sit astride life like a bad rider on a horse. I only owe it to the horses good nature that I am not thrown off at this very moment. – Ludwig Wittgenstein
A permanent base on Mars would have a number of advantages beyond being a bonanza for planetary science and geology. If, as some evidence suggests, exotic micro-organisms have arisen independently of terrestrial life, studying them could revolutionise biology, medicine and biotechnology. – Paul Davies