"They (religions) dread the advance of science as witches do the approach of daylight and scowl on the fatal harbinger announcing the subversions of the duperies on which they live."
"I hope our wisdom will grow with our power, and teach us, that the less we use our power the greater it will be."
"One loves to possess arms, though they hope never to have occasion for them."
"In truth, politeness is artificial good humor, it covers the natural want of it, and ends by rendering habitual a substitute nearly equivalent to the real virtue."
"The legitimate powers of government extend to such acts only as are injurious to others. It does me no injury for my neighbor to say there are twenty gods or no god. It neither picks my pocket nor breaks my leg."
"I was bold in the pursuit of knowledge, never fearing to follow truth and reason to whatever results they led."