The dullness of the fool is the whetstone of the wits.

Don't waste your love on somebody, who doesn't value it.

Why, thou knowest I am as valiant as Hercules, but beware instinct. The lion will not touch the true prince. Instinct is a great matter. I was a coward on instinct.

But O, how bitter a thing it is to look into happiness through another man's eyes.

Speak, my fair, and fairly, I pray thee.

World, world, O world! But that thy strange mutations make us hate thee/ Life would not yield to age.

Although the last, not least.