The truth does not change according to our ability to stomach it.
Never despair; but if you do, work on in despair.
Have patience awhile; slanders are not long-lived. Truth is the child of time; erelong she shall appear to vindicate thee.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' (I found it!) but 'That's funny ...'
At my lemonade stand I used to give the first glass away free and charge five dollars for the second glass. The refill contained the antidote.
Absolute faith corrupts as absolutely as absolute power.
Every man, wherever he goes, is encompassed by a cloud of comforting convictions, which move with him like flies on a summer day.