The observer, when he seems to himself to be observing a stone, is really, if physics is to be believed, observing the effects of the stone upon himself. Bertrand Russell
No doubt, man will continue to weigh and to measure, watch himself grow, and his Universe around him and with him, according to the ever growing powers of his tools. Albert Claude
If man limits himself to a satisfied animal existence, and asks from life only what such an existence can give, the higher values of life at once disappear. Christopher Dawson
The next instant, with a sinuous dive he swept under Harker's arm, ere his blow could fall, and grasping a handful of the money from the floor, dashed across the room, threw himself at the window.
The student who deceives himself into thinking that he is giving his life like an ascetic in the spirit of sacrifice for art, is the victim of a deplorable species of egotism. Alma Gluck
A child-like man is not a man whose development has been arrested; on the contrary, he is a man who has given himself a chance of continuing to develop long after most adults have muffled themselves in the cocoon of middle-aged habit and convention. Aldous Huxley
There is a species of person called a 'Modern Churchman' who draws the full salary of a beneficed clergyman and need not commit himself to any religious belief. Evelyn Waugh
He told himself once more that it was not possible for him to stay in bed and that the most sensible thing to do would be to get free of it in whatever way he could at whatever sacrifice.
Less than an hour before he'd congratulated himself on escaping all the traps of Earth, all the snares of Man. Not knowing that the greatest trap of all, the final and the fatal trap, lay on this present planet. Clifford D. Simak
The presentations and conceptions of the average man of the world are formed and dominated, not by the full and pure desire for knowledge as an end in itself, but by the struggle to adapt himself favourably to the conditions of life. Ernst Mach