Let the greatest part of the news thou hearest be the least part of what thou believest, lest the greater part of what thou believest be the least part of what is true.

Of all vices take heed of drunkenness; other vices are but fruits of disordered affections--this disorders, nay, banishes reason; other vices but impair the soul--this demolishes her two chief faculties, the understanding and the will; other vices make their own way--this makes way for all vices; he that is a drunkard is qualified for all vice.

Read not books alone, but men, and amongst them chiefly thyself.

They who cannot be induced to fear for love will never be enforced to love for fear. Love opens the heart, fear shuts it; that encourages, this compels; and victory meets encouragement, but flees compulsion.

Wickedness is its own punishment.

Before thy undertaking of any design, weigh the glory of thy action with the danger of the attempt; if the glory outweigh the danger, it is cowardice to neglect it; if the danger exceed the glory, it is rashness to attempt it; if the balances stand poised, let thy own genius cast them.

Make philosophy thy journey, theology thy journey's end: philosophy is a pleasant way, but dangerous to him that either tires or retires; in this journey it is safe neither to loiter nor to rest, till thou hast attained thy journey's end; he that sits down a philosopher rises up an atheist.