The more we build these networks and enrich our stores of memory and experience, the easier it is to learn, because what we already know serves as a foundation for forming increasingly complex thoughts.

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.