Attention (n.) deliberately concentrated starts selecting, said Freud, and then one never finds anything but what is already known.
Attention (n.) multiplies dreams: whoever pays heed to his dreams for a while starts having more of them.
Attention (n.) is available only in a fixed quantity; a thought may stay unconscious simply because attention was spent elsewhere.
Attention (n.) is the dam: relax the inhibiting attention and the uninhibited stream of associations comes into action — not two causes but one process.
Attention (n.) does not protect a performance: the expert pianist plays best unthinking, and the slip strikes precisely when we care most.
Attention (n.) is a motor function: expecting something, we tense the senses and hold back other impressions, at a definite cost.
Attention (n.) kills the comic: the examiner is annoyed by a candidate's nonsense that his classmates find hilarious; the comic process must run unobserved.
Attention (n.) that is too deliberate finds only what it expects, and so never anything but what it already knows.
Attention (n.) is the mind's scout, sent out periodically to search the world so that its data are familiar before an urgent need arises.