The key that is used does not rust. (Albanian proverb). At the narrow passage there is no brother and no friend. (Arabic proverb).
Definition of remiss. 1  1 : negligent in the performance of work or duty : careless. 2  2 : showing neglect or inattention : lax.
from the Latin phrase verisimiles (like the truth); the internal truthfulness, lifelikeness, and consistency of the world created within any literary work when we judge that world on its own terms rather than in terms of its correspondence to the real world.