I did not like the nothing, and it is thus that I met the empty, the deep empty, the depth of the blue.

- Yves Klein

As I lay stretched upon the beach of Nice, I began to feel hatred for birds which flew back and forth across my blue sky, cloudless sky, because they…

- Yves Klein

For me, each nuance of a color is in some way an individual, a being who is from the same race as the base color, but who definitely possesses a dist…

- Yves Klein

Blue has no dimensions, it is beyond dimensions.

- Yves Klein

At first there is nothing, then there is a profound nothingness, after that a blue profundity.

- Yves Klein

Blue suggests the sea and sky, and they, after all, are in actual, visible nature what is most abstract.

- Yves Klein

Color is sensitivity in material form, substance in its purest form.

- Yves Klein

I have written my name on the far side of the sky.

- Yves Klein

The imagination is the vehicle of sensibility. Transported by the imagination, we attain life, life itself, which is absolute art.

- Yves Klein