Observation more than books, experience rather than persons, are the prime educators.

That is a good book which is opened with expectation and closed in profit.

A man of one book. [Lat., Homo unius libri.]

That is a good book which is opened with expectation and closed with profit.

That is a good book which is opened with expectation, and closed with delight and profit.

To keep the heart unwrinkled, to be hopeful, kindly, cheerful, reverent that is to triumph over old age.