Eloquence may set fire to reason.

Every idea is an incitement... eloquence may set fire to reason.

A new and valid idea is worth more than a regiment and fewer men can furnish the former than command the latter.

What I wouldn't give to be seventy again!

Sin has many tools, but a lie is the handle which fits them all.

To be civilized is to be potentially master of all possible ideas, and that means that one has got beyond being shocked, although one preserves one's own moral aesthetic preferences.