The most heated defenders of a science, who cannot endure the slightest sneer at it, are commonly those who have not made very much progress in it and are secretly aware of this defect.

If it is permissible to write plays that are not intended to be seen, I should like to see who can prevent me from writing a book no one can read.

If countries were named after the words you first hear when you go there, England would have to be called Damn It.

What I do not like about our definitions of genius is that there is in them nothing of the day of judgment, nothing of resounding through eternity and nothing …

'If he [THH] has a fault it is... that like Caesar, he is ambitious... [it might be said that] cutting up apes is his forte, cutting up men is his foible'

If perchance there should be foolish speakers who, together with those ignorant of all mathematics, will take it upon themselves to decide concerning these thi…

Not long ago the head of what should be a strictly scientific department in one of the major universities commented on the odd (and ominous) phenomenon that pe…