. . . none of us are as sophisticated in these matters as you think. You know I always feel, with every new person, as if I am starting anew. These things are instinctive. What you need to learn is to lay aside your inhibitions, to go back to your childhood when you played marbles or whatever with boys and never thought anything of it.

Meaning: The saying contrasts an Argus-like watcher at home with a mole abroad. It pictures someone sharply observant in familiar surroundings but much less perceptive elsewhere.

Meaning: An observer who appears inattentive may still be aware of what is happening. The cat’s momentary wink warns against treating a brief lapse in visible attention as proof that nothing has been noticed.

Meaning: The mind is compared to ground that needs deliberate cultivation. The saying encourages useful learning and attention, while its corn-and-thistles contrast should not turn rest, disability or a different way of thinking into evidence of a defective character.

Meaning: Someone's belief may have been produced by what they want to be true, rather than by good evidence that it is true.