Cosmus, Duke of Florence, was wont to say of perfidious friends, that "We read that we ought to forgive our enemies; but we do not read that we ought to forgive our friends."

Pyrrhus, when his friends congratulated to him his victory over the Romans under Fabricius, but with great slaughter of his own side, said to them, "Yes; but if we have such another victory, we are undone".

Alonso of Aragon was wont to say in commendation of age, that age appears to be best in four things - old wood best to burn, old wine to drink, old friends to trust, and old authors to read.

Sir Henry Wotton used to say that critics are like brushers of noblemen's clothes.

Like strawberry wives, that laid two or three great strawberries at the mouth of their pot, and all the rest were little ones.

Hope is a good breakfast, but it is a bad supper.

My Lord St. Albans said that Nature did never put her precious jewels into a garret four stories high, and therefore that exceeding tall men had ever very empty heads.

To God, truly, the Giver and Architect of Forms, and it may be to the angels and higher intelligences, it belongs to have an affirmative knowledge of forms immediately, and from the first contemplation. But this assuredly is more than man can do, to whom it is granted only to proceed at first by negatives, and at last to end in affirmatives, after exclusion has been exhausted.

Since my logic aims to teach and instruct the understanding, not that it may with the slender tendrils of the mind snatch at and lay hold of abstract notions (as the common logic does), but that it may in very truth dissect nature, and discover the virtues and actions of bodies, with their laws as determined in matter; so that this science flows not merely from the nature of the mind, but also from the nature of things.

Above all, every relation must be considered as suspicious, which depends in any degree upon religion, as the prodigies of Livy: And no less so, everything that is to be found in the writers of natural magic or alchemy, or such authors, who seem, all of them, to have an unconquerable appetite for falsehood and fable.