When a person supposes that he knows, and does not know; this appears to be the great source of all the errors of the intellect.
When a man is out of his depth, whether he has fallen into a little swimming-bath or into mid-ocean, he has to swim all the same.
When a Benefit is wrongly conferred, the author of the Benefit may often be said to injure.
When [a man] thinks that he is reasoning he is really disputing, just because he cannot define and divide, and so know that of which he is speaking; and he will pursue a merely verbal opposition in the spirit of contention and not of fair discussion.
Whatever deceives men seems to produce a magical enchantment.
What you should do, said Socrates, is to say a magic spell over him every day until you have charmed his fears away.
When the tyrant has disposed of foreign enemies by conquest or treaty, and there is nothing more to fear from them, then he is always stirring up some war or other, in order that the people may require a leader.
Thinking is the talking of the soul with itself.
The harder you work the luckier you get.