The roads of science are narrow, so that they who travel them, must wither follow or meet one another.

Critics ought never to be consulted, but while errors may yet be rectified or insipidity suppressed. But when the book has once been dismissed into the world, and can be no more retouched, I know not whether a very different conduct should not be prescribed, and whether firmness and spirit may not sometimes be of use to overpower arrogance and repel brutality.

Among the calamities of war may be justly numbered the diminution of the love of truth by falsehoods which interest dictates and credulity encourages. A peace will equally leave the warrior and the relater of wars destitute of employment; and I know not whether more is to be dreaded from streets filled with soldiers accustomed to plunder, or from garrets filled with scribblers accustomed to lie.

Human life is everywhere a state in which much is to be endured, and little to be enjoyed.

Our desires always increase with our possessions. The knowledge that something remains yet unenjoyed impairs our enjoyment of the good before us.

The true genius is a mind of large general powers, accidentally determined to some particular direction.

It is very natural for young men to be vehement, acrimonious and severe. For as they seldom comprehend at once all the consequences of a position, or perceive the difficulties by which cooler and more experienced reasoners are restrained from confidence, they form their conclusions with great precipitance. Seeing nothing that can darken or embarrass the question, they expect to find their own opinion universally prevalent, and are inclined to impute uncertainty and hesitation to want of honesty, rather than of knowledge.