Reaction - a boat which is going against the current but which does not prevent the river from flowing on.

The most terrible of motives and the most unanswerable of responses: Because.

Smallness in a great man seems smaller by its disproportion with all the rest.

Houses are like the human beings that inhabit them.

Because a fact seems strange to you, you conclude that it is not one. ... All science, however, commences by being strange. Science is successive. It goes from one wonder to another. It mounts by a ladder. The science of to-day would seem extravagant to the science of a former time. Ptolemy would believe Newton mad.

The wicked envy and hate; it is their way of admiring.

Life is the flower for which love is the honey.