A bird is like an instrument working according to mathematical law, and it is in the capacity of man to reproduce such an instrument.

A bird is an instrument working according to mathematical law, which instrument it is within the capacity of man to reproduce with all its movements, but not with a corresponding degree of strength, though it is deficient only in the power of maintaining equilibrium. We may therefore say that such an instrument constructed by man is lacking in nothing except the life of the bird, and this life must needs be supplied from that of man.

It is the self-reliant pioneer in every enterprise who beats the path along which American civilization has marched. Such individual effort is the glory of America.

Necessity is the theme and the inventress, the eternal curb and law of nature.

Men standing in opposite hemispheres will converse and deride each other and embrace each other, and understand each other's language.

Businesses that grow by development and improvement do not die. But when a business ceases to be creative, when it believes it has reached perfection and needs to do nothing but produce no improvement, no development, it is done.