Good fame is like fire; when you have kindled you may easily preserve it; but if you extinguish it, you will not easily kindle it again. – Francis Bacon
The most perfect ape cannot draw an ape; only man can do that; but, likewise, only man regards the ability to do this as a sign of superiority. – G. C. (Georg Christoph) Lichtenberg
Ethical religion can be real only to those who are engaged in ceaseless efforts at moral improvement. By moving upward we acquire faith in an upward movement, without limit. – Felix Adler