It is impossible to underrate human intelligence – beginning with ones own. – Henry Adams
The Indian Summer of life should be a little sunny and a little sad, like the season, and infinite in wealth and depth of tone, but never hustled. – Henry Adams
No one means all he says, and yet very few say all they mean, for words are slippery and thought is vicious. – Henry Adams
Absolute liberty is absence of restraint; responsibility is restraint; therefore, the ideally free individual is responsible to himself. – Henry Adams
Despite our very recent appearance on the planet, humanity combines arrogance with increasing material demands, even as we become more numerous. Our toughness is a delusion. Have we the intelligence and discipline to vigilantly guard against our tendency to grow without limit? – Lynn Margulis