Petroleum is the product of a distillation from great depth and issues from the primitive rocks beneath which the forces of all volcanic action lie.

Cruelty to animals is one of the most significant vices of a low and ignoble people. Wherever one notices them, they constitute a sign of ignorance and brutality which cannot be painted over even by all the evidence of wealth and luxury.

It is a proverbial expression that every man is the maker of his own fortune, and we usually regard it as implying that every man by his folly or wisdom prepares good or evil for himself. But we may view it in another light, namely, that we may so accommodate ourselves to the dispositions of Providence as to be happy in our lot, whatever may be its privations.

There are some races more cultured and advanced and ennobled by education than others; but there are no races nobler than others. All are equally destined for freedom.

Time is the most important thing in human life, for what is pleasure after the departure of time? and the most consolatory, since pain, when pain has passed, is nothing. Time is the wheel-track in which we roll on towards eternity, conducting us to the Incomprehensible. In its progress there is a ripening power, and it ripens us the more, and the more powerfully, when we duly estimate it. Listen to its voice, do not waste it, but regard it as the highest finite good, in which all finite things are resolved.

Die gefährlichste Weltanschauung ist die Weltanschauung derer, die die Welt nie angeschaut haben. (The most dangerous worldview is the worldview of those who have not viewed the world)

Insight into universal nature provides an intellectual delight and sense of freedom that no blows of fate and no evil can destroy.