“When you make any assumption,you are preparing room for error.”

“The world always makes the assumption that the exposure of an error is identical with the discovery of truth - that the error and truth are simply opposite. They are nothing of the sort. What the world turns to, when it is cured on one error, is usually simply another error, and maybe one worse than the first one.”

“Most deadly errors arise from obsolete assumptions.”

“Assumptions are dangerous things to make, and like all dangerous things to make -- bombs, for instance, or strawberry shortcake -- if you make even the tiniest mistake you can find yourself in terrible trouble. Making assumptions simply means believing things are a certain way with little or no evidence that shows you are correct, and you can see at once how this can lead to terrible trouble. For instance, one morning you might wake up and make the assumption that your bed was in the same place that it always was, even though you would have no real evidence that this was so. But when you got out of your bed, you might discover that it had floated out to sea, and now you would be in terrible trouble all because of the incorrect assumption that you'd made. You can see that it is better not to make too many assumptions, particularly in the morning.”

“Be bold if you are going to make an error make a doozy.”

“The government cannot love you, and any politics that works on a different assumption is destined for no good.”