Galileo Galilei Quotes

Knowledge is knowing that we cannot know.

One truth that I know for sure, for me anyway, is that the more you know, the more you realize that you don't know.

The highest knowledge is to know that we are surrounded by mystery.

Que sçais-je?" (What do I know?)

there is only one thing we do know and that is that we do not know anything.

Maybe we're the fools, for thinking we know things. Maybe humans are the only ones who can deal with the fact that nothing can ever be known at all.

Our knowledge is a little island in a great ocean of nonknowledge.

I think the philosophy that we don't know as much as we think we know resonates throughout my work.

Who knows most, doubts most.

The known is finite, the unknown is infinite.

Our ignorance will always remain greater than our knowledge.

The more we learn the more we realize how little we know.

Our conjectures pass upon us for truths; we will know what we do not know, and often, what we cannot know: so mortifying to our pride is the base suspicion of ignorance.

I know nothing and perhaps I never will.

But I know that all the things I do know are very small compared with the things that I don't know.

Science tells us what we can know, but what we can know is little, and if we forget how much we cannot know we become insensitive to many things of great importance.

Of course, I don't know everything. Considering the infinite amount of knowledge that one could acquire in a virtually innumerable array of intellectual disciplines, it's probably more accurate to say that I don't know anything.

I have with me all that I do not knowI have lost none of it.

We know less when we erroneously think we know than when we recognize that we don't.

I don't know anything and neither do you.

That knowledge which stops at what it does not know, is the highest knowledge.

I know nothing, because I know too much, and understand not nearly enough and never will.

He who doubts, knows - knows as much as can be known.

What is truth? I don't know and I'm sorry I brought it up.

... all that that I learn just teaches me that I know nothing.