"Though he knows that knowledge is imperfect, he trusts it alone. If he takes, therefore, the less delight in metaphysics, he takes the more in physics."

“The parallel between 1787 and 1948 is naturally not exact. Even if it were, 1787 would have no authority over 1948. Each age must make or keep its own government and determine its own future. Nor do those citizens of the world who In 1948 desire to see a federal world government created assume that the process would have to follow the example of the United States of 1787 in the details of the new government. The Federal Convention did not follow any single example. Neither should a General Conference of the United Nations be expected to.”

“The race of man, while sheep in credulity, are wolves for conformity.”

“A classic is a book that doesn't have to be written again.”

“The most familiar quotations are the most likely to be misquoted. Some misquotations are still variable, some have settled down to false versions that have obscured the true ones. They have passed over from literature into speech.”

“There is no trustworthy evidence as to a god's absolute existence.”

“Yes, it's hard to write. But it's harder not to.”