A man must have a good share of wit himself to endure a great share in another.

Remember that whatever knowledge you do not solidly lay the foundation of before you are eighteen, you will never be master of while you breathe.

An ignorant man is insignificant and contemptible; nobody cares for his company, and he can just be said to live, and that is all.

Knowledge is a comfortable and necessary retreat and shelter for us in an advanced age; and if we do not plant it while young, it will give us no shade when we grow old.

Most people have ears, but few have judgment; tickle those ears, and depend upon it, you will catch their judgments, such as they are.

Modesty is the only sure bait when you angle for praise.

You must look into people, as well as at them.