Though analogy is often misleading, it is the least misleading thing we have.
To die completely, a person must not only forget but be forgotten, and he who is not forgotten is not dead.
The youth of an art is, like the youth of anything else, its most interesting period.
Whereas, to borrow an illustration from mathematics, life was formerly an equation of, say, 100 unknown quantities, it is now one of 99 only, inasmuch as memory and heredity have been shown to be one and the same thing.
The Bible may be the truth, but it is not the whole truth and nothing but the truth.
There are two classes [of scientists], those who want to know, and do not care whether others think they know or not, and those who do not much care about knowing, but care very greatly about being reputed as knowing.