No book so bad but some part may be of use.

There is, to be sure, no evil without something good.

We neglect those things which are under our very eyes, and heedless of things within our grasp, pursue those which are afar off.

No man's abilities are so remarkably shining as not to stand in need of a proper opportunity.

The only certainty is uncertainty

Simple diet is best: for many dishes bring many diseases, and rich sauces are worse than even heaping several meats upon each other.

The best plan is to profit by the folly of others.