Whoever does not know how to hit the nail on the head should be entreated not to hit the nail at all.
In the mountains of truth you never climb in vain. Either you already reach a higher point today, or you exercise your strength in order to be able to climb higher tomorrow.
Words are only symbols for the relations of things among themselves and to us, and nowhere touch absolute truth.
The press, the machine, the railway, the telegraph are premisses of which no one has yet dared to draw the conclusions that will follow in a thousand years.
The pride connected with knowing and sensing lies like a blinding fog over the eyes and senses of men, thus deceiving them concerning the value of existence.
The admiration of a quality or of an art may be so strong as to deter us from aspiring to possess that quality or art.