William Butler Yeats Quotes

I secretly think reality exists so we can speculate about it.

The ultimate aim of the human mind, in all its efforts, is to become acquainted with Truth.

Belief and knowledge are considered to be two different things. But they are not.

What is the truth? Is it what you experience? Is it what I experience? Or is there some objective truth in between?

Democritus says, "But we know nothing really; for truth lies deep down".

The crude real will not by itself yield truth.

Facts are many, but the truth is one.

To know, is to know that you know nothing. That is the meaning of true knowledge.

I think that reality exists and that it's knowable.

He who knows nothing is closer to the truth than he whose mind is filled with falsehoods and errors.

I believe in general in a dualism between facts and the ideas of those facts in human heads.

Science is nothing but perception.

To every object there correspond an ideally closed system of truths that are true of it and, on the other hand, an ideal system of possible cognitive processes by virtue of which the object and the truths about it would be given to any cognitive subject.

There's nothing you can know that isn't known.

Opinion is the medium between knowledge and ignorance.

What difference is there, do you think, between those in Plato's cave who can only marvel at the shadows and images of various objects, provided they are content and don't know what they miss, and the philosopher who has emerged from the cave and sees the real things?

No Discourse whatsoever, can End in absolute Knowledge of Fact.

Science is what you know. Philosophy is what you don't know.

The beginning of all wisdom is recognition of facts

Data is not necessarily information. Information does not necessarily lead to knowledge. And knowledge is not always sufficient to discover truth and breed wisdom.

While it is true that science cannot decide questions of value, that is because they cannot be intellectually decided at all, and lie outside the realm of truth and falsehood. Whatever knowledge is attainable, must be attained by scientific methods; and what science cannot discover, mankind cannot know.

Religion and science are the two conjugated faces or phases of one and the same complete act of knowledge - the only one which can embrace the past and future of evolution and so contemplate, measure and fulfil them.

Science is not wisdom.

The object of knowledge is what exists and its function to know about reality.

We know nothing in reality; for truth lies in an abyss.