Slovenliness is a lazy and beastly negligence of a man's own person, whereby he becomes so sordid as to be offensive to those about him.

Waste of time is the most extravagant and costly of all expenses.

Superstition would seem to be simply cowardice in regard to the supernatural.

Anaximenes ... also says that the underlying nature is one and infinite ... but not undefined as Anaximander said but definite, for he identifies it as air; and it differs in its substantial nature by rarity and density. Being made finer it becomes fire; being made thicker it becomes wind, then cloud, then (when thickened still more) water, then earth, then stones; and the rest come into being from these.

True friends visit us in prosperity only when invited, but in adversity they come without invitation.

We must consider the distinctive characters and the general nature of plants from the point of view of their morphology , their behavior under external conditions, their mode of generation, and the whole course of their life.

Our costliest expenditure is time.