Nothing brings out the lower traits of human nature like office-seeking. Men of good character and impulses are betrayed by it into all sorts of meanness.

No author ever drew a character consistent to human nature, but he was forced to ascribe to it many inconsistencies

Human nature is so constituted, that all see and judge better in the affairs of other men than in their own

Strange indeed is human nature. Here were these men, to whom murder was familiar, who again and again had struck down the father of the family, some man against whom they had no personal feeling, without one thought of compunction or of compassion for his weeping wife or helpless children, and yet the tender or pathetic in music could move them to tears.

I don't think it's the nature of any man to be monogamous. Men are propelled by genetically ordained impulses over which they have no control to distribute their seed.

The more we study human nature, the less we think of men - the more of man