Man (n.) is a conceited creature: when we're right we credit our judgment; when we're wrong we curse our luck.
Man (n.) ventures high in the skies and deep in the seas, yet fears to move to the rear of the bus.
Man (n.) is a creature great enough to split the atom and mean enough to split hairs.
Man (n.) is a creature having a spinal column, with most of the bone lumped at the top.
Man (n.) is a creature of puzzling values: he admires those who leave footprints on the sands of time, but not those who leave fingerprints.
Man (n.) is a creature who has endless needs, but who never needs as much as he wants.
Man (n.) longs to visit the moon, but hesitates to visit his next-door neighbor.
Man (n.) is a perverse creature: in a bus, you can't get him to move to the back; in a church, you can't get him to move to the front.
Man (n.) is a strange animal: when he gets what he wanted he wonders why he wanted it.
Man (n.) is a thermometer, woman the temperature; the thermometer is always subject to change of temperature.
Man (n.) is a walking creature: one generation walks to school, the next walks to the school bus.
Man (n.) is an acquisitive creature: no matter how much experience he already has, he is always accumulating more.
Man (n.) is feverishly planning to get to Mars before this planet is destroyed.
Man (n.) wishes for long life but never for old age.
Man (n.) is better off than women: for one thing, men marry later; for another, they die earlier.
A Man (n.) is generally true to his first love; that's why many wives are so unhappy.
A Man (n.) is judged by the company he keeps, a woman by how late she keeps company.
A Man (n.) is judged by the company he keeps, especially in a proxy battle.
A Man (n.) is judged by the company he keeps; a woman is judged by the company she has just left.
A Man (n.) is known by the company he can't get into.