The nose of a mob is its imagination. By this, at any time, it can be quietly led.

It may well be doubted whether human ingenuity can construct an enigma... which human ingenuity may not, by proper application, resolve.

I have before suggested that a genuine blackguard is never without a pocket-handkerchief.

[The daguerreotype] itself must undoubtedly be regarded as the most important, and perhaps the most extraordinary triumph of modern science.

Yet, mad am I not — and very surely do I not dream.

Philosophers have often held dispute As to the seat of thought in man and brute For that the power of thought attends the latter My friend, thy beau, hath made a settled matter, And spite of dogmas current in all ages, One settled fact is better than ten sages. (O,Tempora! O,Mores!)

As a poet and as a mathematician, he would reason well; as a mere mathematician, he could not have reasoned at all.