If you don't know how to pronounce a word, say it loudly. Do not compound mispronunciation with inaudibility

We catched fish, and talked, and we took a swim now and then to keep off sleepiness. It was kind of solemn, drifting down the big still river, laying on our backs looking up at the stars, and we didn’t ever feel like talking loud, and it warn’t often that we laughed, only a kind of low chuckle. We had mighty good weather, as a general thing, and nothing ever happened to us at all, that night, nor the next, nor the next.

If you want me to give you a two-hour presentation, I am ready today. If you want only a five-minute speech, it will take me two weeks to prepare.

Cauliflower is nothing but cabbage with a college education.

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.

A "classic" is a book that everybody praises but nobody has read

Anger is an acid that can do more harm to the vessel in which it is stored than to anything on which it is poured.