When there is no hope, there can be no endeavor.

Love has no great influences upon the sum of life.

It is wonderful when a calculation is made, how little the mind is actually employed in the discharge of any profession.

It is however, reasonable, to have perfection in our eye; that we may always advance towards it, though we know it never can be reached.

A voyage to the moon, however romantick and absurd the scheme may now appear, since the properties of air have been better understood, seemed highly probable to many of the aspiring wits in the last century

Avarice is a uniform and tractable vice; other intellectual distempers are different in different constitutions of mind. That which soothes the pride of one will offend the pride of another, but to the favor of the covetous bring money, and nothing is denied.

No weakness of the human mind has more frequently incurred animadversion, than the negligence with which men overlook their own faults, however flagrant, and the easiness with which they pardon them, however frequently repeated.