Zoo: An excellent place to study the habits of human beings.
Excess on occasion is exhilarating. It prevents moderation from acquiring the deadening effect of a habit.
Nothing is impossible. Some things are just less likely than others.
Gratitude is the most exquisite form of courtesy.
Read over your compositions, and wherever you meet with a passage which you think is particularly fine, strike it out.
Speak properly, and in as few words as you can, but always plainly; for the end of speech is not ostentation, but to be understood.
A poem is no place for an idea.