A classic is something that everybody wants to have read and nobody wants to read.

Men and women -- even man and wife are foreigners. Each has reserves that the other cannot enter into, nor understand. These have the effect of frontiers.

Switzerland would me a mighty big place if it were ironed flat.

Such is professional jealousy; a scientist will never show any kindness for a theory which he did not start himself. There is no feeling of brotherhood among these people. Indeed, they always resent it when I call them brother. To show how far their ungenerosity can carry them, I will state that I offered to let Prof. H--y publish my great theory as his own discovery; I even begged him to do it; I even proposed to print it myself as his theory. Instead of thanking me, he said that if I tried to fasten that theory on him he would sue me for slander.

Whatever thing men call great, look for it in Joan of Arc, and there you will find it.

A conspiracy is nothing but a secret agreement of a number of men for the pursuance of policies which they dare not admit in public

You thunder and lightning too much; the reader ceases to get under the bed, by and by.