The worst evils are those that never arrive.

Sleep is a state in which a great part of every life is passed. No animal has yet been discovered, whose existence is not varied with intervals of insensibility; and some late philosophers have extended the empire of sleep over the vegetable world.

To mean understandings, it is sufficient honour to be numbered amongst the lowest labourers of learning; but different abilities must find different tasks. To hew stone, would have been unworthy of Palladio; and to have rambled in search of shells and flowers, had but ill suited with the capacity of Newton.

It is better to suffer wrong than to do it.

Life affords no higher pleasure than that of surmounting difficulties, passing from one step of success to another, forming new wishes and seeing them gratified.

Age looks with anger on the temerity of youth, and youth with contempt on the scrupulosity of age.

I am not able to instruct you. I can only tell that I have chosen wrong. I have passed my time in study without experience; in the attainment of sciences which can, for the most part, be but remotely useful to mankind. I have purchased knowledge at the expense of all the common comforts of life: I have missed the endearing elegance of female friendship, and the happy commerce of domestic tenderness.