Philosophical Quotations | Page 4

Global warming is no longer a philosophical threat, no longer a future threat, no longer a threat at all. It's our reality.

More and more people are becoming unable to accept traditional [religious] beliefs. If they think that, apart from these beliefs, there is no reason for kindly behaviour, the results may be needlessly unfortunate. That is why it is important to show that no supernatural reasons are needed to make [people] kind and to prove that only through kindness can the human race achieve happiness.

It is undesirable to believe a proposition when there is no ground whatever for supposing it true

We know very little, and yet it is astonishing that we know so much, and still more astonishing that so little knowledge can give us so much power.

It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.

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.

War is to man what maternity is to a woman. From a philosophical and doctrinal viewpoint, I do not believe in perpetual peace.

You will all know that in the Middle Ages there were supposed to be various classes of angels. these hierarchized celsitudes are but the last traces in a less philosophical age of the ideas which Plato taught his disciples existed in the spiritual world.

It is only a man's own fundamental thoughts that have truth and life in them.

Opinion is like a pendulum and obeys the same law.