Theophrastus

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.

It contributes greatly towards a man's moral and intellectual health, to be brought into habits of companionship with individuals unlike himself, who care little for his pursuits, and whose sphere and abilities he must go out of himself to appreciate.

There's something advantageous about having people underestimate your intellect, insomuch as a lot of things are revealed to you. They assume you don't know what you're talking about, then all of a sudden, you do. And the next thing you know, you have information you wouldn't normally have.