clear, real, true

There are facts that have the impact of poems.

inside the atom

We must be clear that when it comes to atoms, language can be used only as in poetry. The poet, too, is not nearly so concerned with describing facts as with creating images and establishing mental connections.

—Niels Bohr, in his first meeting with Werner Heisenberg in early summer 1920, quoted in Theorizing Modernism: Essays in Critical Theory (1993) by Steve Giles, p. 28.