Science has made unrestricted national sovereignty incompatible with human survival. The only possibilities are now world government or death.
I used, when I was younger, to take my holidays walking. I would cover 25 miles a day, and when the evening came I had no need of anything to keep me from boredom, since the delight of sitting amply sufficed.
Unhappy business men, I am convinced, would increase their happiness more by walking six miles every day than by any conceivable change of philosophy.
Righteousness cannot be born until self-righteousness is dead.
Meantime, the world in which we exist has other aims. But it will pass away, burnt up in the fire of its own hot passions; and from its ashes will spring a new and younger world, full of fresh hope, woth the light of morning in its eyes.
They must often change, who would be constant in happiness or wisdom. Those who continually search for happiness will never find it. Happiness is made, not found. To be without some of the things you want is an indispensable part of happiness.
When all experts agree, you need to watch out.
Writing can be either readable or precise, but not at the same time.
Philosophy bakes no bread.
The power of thought, the vast regions it can master.
The newspapers at one time said that I was dead but after carefully examining the evidence I came to the conclusion that this statement was false.
God and Satan alike are essentially human figures, the one a projection of ourselves, the other of our enemies.
To discover a system for the avoidance of war is a vital need of our civilisation.
When two great powers disagree about anything – it doesn’t matter what – they must find a way to settle it somehow by arbitration or by negotiation, not by war or threat of war.
I can’t tell whether I am living in a dream or a nightmare.
If one lived for ever the joys of life would inevitably in the end lose their savour. As it is, they remain perennially fresh.
Perhaps the best hope for the future of mankind is that ways will be found of increasing the scope and intensity of sympathy.
Artists are on the average less happy than men of science.
Half the useful work in the world consists of combating the harmful work.
One is always a little afraid of love, but above all, one is afraid of pain or causing pain.