But in every constitution some large degree of animal vigor is necessary as material foundation for the higher qualities of the art.

The gentleman is a man of truth, lord of his own actions, and expressing that lordship in his behavior, not in any manner dependent and servile either on persons, or opinions, or possessions.

The delicate muses lose their head if their attention is once diverted. Perhaps if you were successful abroad in talking and dealing with men, you would not come back to your bookshelf and your task. When the spirit chooses you for its scribe to publish some commandment, it makes you odious to men and men odious to you, and you shall accept that loathsomeness with joy. The moth must fly to the lamp, and you must solve those questions though you die.

It is one soul which animates all men.

Some men's words I remember so well that I must often use them to express my thought. Yes, because I perceive that we have heard the same truth, but they have heard it better.

The Yankee is one who, if he once gets his teeth set on a thing, all creation can't make him let go.

Love and you shall be loved. All love is mathematically just, as much as two sides of an algebraic equation.