Graduation speakers are expected to deliver advice, but I've never understood why. That's as it should be. I don't know why graduation speakers give advice, but advice is clearly expected. So I shall attempt to fulfill your expectations. An anagram is a word or a phrase derived by rearranging the letters in another word or phrase, using each letter exactly as often as it appears in the original.
Anagrams never lie.
And some people believe it. Hard to argue with that. There is a lot of wisdom in anagrams. And they never lie. Well, I don't like to boast, but the anonymous quotation assures us that anagrams never lie.