He who lives in the present lives in eternity.

The aspects of things that are most important for us are hidden because of their simplicity and familiarity. (One is unable to notice something because it is always before one’s eyes.) The real foundations of his enquiry do not strike a man at all

When we think about the future of the world, we always have in mind its being where it would be if it continued to move as we see it moving now. We do not realize that it moves not in a straight line and that its direction changes constantly.

What signs fail to express, their application shows. What signs slur over, their application says clearly.

An image is not a picture, but a picture can correspond to it.

Belief in the causal nexus is superstition.

You might say that certain words are only pegs to hang intonations on.