“History has no meaning.”

If we are not prepared to defend a tolerant society against the onslaught of the intolerant, then the tolerant will be destroyed, and tolerance with them.

The conspiracy theory of society, comes from abandoning God and then asking: “Who is in his place?”

It is complete nihilism to propose laying down arms in a world where atom bombs are around. It is very simple: there is no way of achieving peace other than with weapons.

The future depends on ourselves, and we do not depend on any historical necessity.

Theories are nets cast to catch what we call ‘the world’: to rationalize, to explain, and to master it. We endeavor to make the mesh ever finer and finer.

No rational argument will have a rational effect on a man who does not want to adopt a rational attitude.

We may become the makers of our fate when we have ceased to pose as its prophets.

Those who promise us paradise on earth never produced anything but hell.

No book can ever be finished. While working on it we learn just enough to find it immature the moment we turn away from it

The most we can say of democracy or freedom is that they give our personal abilities a little more influence on our well-being.

It is not the consciousness of man that determines his existence – rather, it is his social existence that determines his consciousness.

It is wrong to think that belief in freedom always leads to victory; we must always be prepared for it to lead to defeat. If we choose freedom, then we must be prepared to perish along with it.

The wise man belongs to all countries, for the home of a great soul is the whole world.

Always remember that it is impossible to speak in such a way that you cannot be misunderstood: there will always be some who misunderstand you.

We must regard all laws or theories as hypothetical or conjectural; that is, as guesses.

True ignorance is not the absence of knowledge, but the refusal to acquire it.

The man who has no sense of history is like a man who has no ears or eyes.

Your birth may be common, But death must be history.

With a good perspective of history, we can have a better understanding of the past and present, and thus a clear vision of the future.

The future depends on ourselves, and we do not depend on any historical necessity.

Frightened people become angry people – as history teaches us again and again.

To be a philosophical Sceptic is the first and most essential step towards being a sound, believing Christian.

Histories make men wise; poets, witty; the mathematics, subtle; natural philosophy, deep; moral, grave; logic and rhetoric, able to contend.

For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study.