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.

Time is the most valuable thing a man can spend.

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

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

The man of petty ambition if invited to dinner will be eager to be set next his host.

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.

An orator without judgment is a horse without a bridle.