General consultant to mankind.

Comforts and syphilis are the greatest enemies of mankind.

All mankind love a lover.

Scientific thought and its creation is the common and shared heritage of mankind.

Mankind has actually flourished in warmer temperatures.

If we do not lay out ourselves in the service of mankind whom should we serve?

Scientific thought and its creation is the common and shared heritage of mankind.

One sees a blatant disregard for the precious souls of mankind.

The history of mankind is the instant between two strides taken by a traveler.

The proper study of mankind is books.

What mankind wants is not talent; it is purpose.

Our true nationality is mankind.

The proper study of mankind is woman.

Numerous studies have shown that global warming can actually be beneficial to mankind.

Sickness is mankind's greatest defect.

War was forced upon mankind in his original civil and social condition.

Of all human powers operating on the affairs of mankind, none is greater than that of competition.

The history of mankind is the history of ideas.

All ambitions are lawful except those which climb upward on the miseries or credulities of mankind.

The history of mankind is a history of war.