Forgetfulness is necessary to remembrance. Ideas are retained by renovation of that impression which time is always wearing away,and which new images are striving to obliterate. If useless thoughts could be expelled from the mind, all the valuable parts of our knowledge would more frequently recur, and every recurrence would reinstate them in their former place.

That kind of life is most happy which affords us most opportunities of gaining our own esteem.

All imposture weakens confidence and chills benevolence.

He that travels in theory has no inconveniences.

The perfect day for quitting is not real. It will never come, so might as well start today

The great end of prudence is to give cheerfulness to those hours which splendor cannot gild, and acclamation cannot exhilarate.

We are not here to sell a parcel of boilers and vats, but the potentiality of growing rich beyond the dreams of avarice.