The thoughts that come often unsought, and, as it were, drop into the mind, are commonly the most valuable of any we have, and therefore should be secured, because they seldom return again.
You could attach prices to thoughts. Some cost a lot, some a little. And how does one pay for thoughts? The answer, I think, is: with courage.[Man könnte Gedanken Preise anheften. Manche kosten viel, manche wenig. Und womit zahlt man für Gedanken? Ich glaube: mit Mut.]
Without Freedom of Thought, there can be no such Thing as Wisdom; and no such Thing as publick Liberty, without Freedom of Speech.
Theirs, too, is the word-coining genius, as if thought plunged into a sea of words and came up dripping.