To know, is to know that you know nothing. That is the meaning of true knowledge. For a man who claims to have knowledge, while actually knowing nothing, is less smarter than you, who claim to know nothing.

I am a Citizen of the World, and my Nationality is Goodwill.

Beware the barrenness of a busy life.

In my investigation in the service of the god I found that those who had the highest reputation were nearly the most deficient, while those who were thought to be inferior were more knowledgeable.

By means of beauty all beautiful things become beautiful.

The only place where success comes before work is in the dictionary.There is only one good, knowledge, and one evil, ignorance.

Philebus was saying that enjoyment and pleasure and delight, and the class of feelings akin to them, are a good to every living being, whereas I contend, that not these, but wisdom and intelligence and memory, and their kindred, right opinion and true reasoning, are better and more desirable than pleasure