It seldom happens that any felicity comes so pure as not to be tempered and allayed by some mixture of sorrow.

Three things too much, and three too little are pernicious to man; to speak much, and know little; to spend much, and have little; to presume much, and be worth little.

The fear thou art in, Sancho," said Don Quixote, "prevents thee from seeing or hearing correctly, for one of the effects of fear is to derange the senses and make things appear different from what they are; if thou art in such fear, withdraw to one side and leave me to myself, for alone I suffice to bring victory to that side to which I shall give my aid;" and so saying he gave Rocinante the spur, and putting the lance in rest, shot down the slope like a thunderbolt.

Oh Senor" said the niece. "Your grace should send them to be burned (books), just like all the rest, because it's very likely that my dear uncle, having been cured of the chivalric disease, will read these and want to become a shepherd and wander through the woods and meadows singing and playing and, what would be even worse, become a poet, and that, they say, is an incurable and contagious disease.

Everything disturbs an absent lover.

Believe there are no limits but the sky.

In short, virtue cannot live where envy reigns, nor liberality subsist with niggardliness.