Ohne Hast, aber ohne Rast. - Without haste, but without rest.
There is nothing worse than aggressive stupidity.
Rash, inexperienced youth holds itself a chosen instrument, and allows itself unbounded license.
Only the heart without a stain knows ease.
Men's prejudices rest upon their character for the time being and cannot be overcome, as being part and parcel of themselves. Neither evidence nor common sense nor reason has the slightest influence upon them.
If a man writes a book, let him set down only what he knows. I have guesses enough of my own.