Excellent things are rare.
And isn't it a bad thing to be deceived about the truth, and a good thing to know what the truth is? For I assume that by knowing the truth you mean knowing things as they really are.
There is no other start to philosophy but wonder.
Let parents bequeath to their children not riches, but the spirit of reverence.
If one has made a mistake, and fails to correct it, one has made a greater mistake.
Athenian men, I respect and love you, but I shall obey the god rather than you.