All things in moderation, including moderation.

The understanding of mathematics is necessary for a sound grasp of ethics.

To Believe without evidence and demonstration is an act of ignorance and folly

When you want wisdom and insight as badly as you want to breathe, it is then you shall have it.

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

Life without enquiry is not worth living for a man.

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.