To keep your secret is wisdom; but to expect others to keep it is folly.

Books are faithful repositories, which may be awhile neglected or forgotten; but when they are opened again, will again impart their instruction: memory, once interrupted, is not to be recalled. Written learning is a fixed luminary, which, after the cloud that had hidden it has passed away, is again bright in its proper station. Tradition is but a meteor, which, if once it falls, cannot be rekindled.

Ignorance is mere privation by which nothing can be produced: it is a vacuity in which the soul sits motionless and torpid for want of attraction: and, without knowing why, we always rejoice when we learn, and grieve when we forget.

There is ... scarcely any species of writing of which we can tell what is its essence, and what are its constituents; every new genius produces some innovation, which, when invented and approved, subverts the rules which the practice of foregoing authors had established.

The mental disease of the present generation is impatience of study, contempt of the great masters of ancient wisdom, and a disposition to rely wholly upon unassisted genius and natural sagacity.

Labor, if it were not necessary for existence, would be indispensable for the happiness of man.

It is not difficult to conceive, however, that for many reasons a man writes much better than he lives. For without entering into refined speculations, it may be shown much easier to design than to perform. A man proposes his schemes of life in a state of abstraction and disengagement, exempt from the enticements of hope, the solicitations of affection, the importunities of appetite, or the depressions of fear.