Quote 4
FRIAR LAURENCE
These violent delights have violent ends
And in their triumph die, like fire and powder,
Which as they kiss consume. The sweetest honey
Is loathsome in his own deliciousness
And in the taste confounds the appetite.
Therefore love moderately. Long love doth so.
Too swift arrives as tardy as too slow.
(2.6.9-15)
The Friar, who is worried about the long-term consequences of Romeo and Juliet's marriage, warns Romeo that his and Juliet's intense passion may end suddenly and violently, like the flash of gunpowder. And, yep: that about sums it up for us.
Quote 5
FRIAR LAURENCE
Here comes the lady. O, so light a foot
Will ne'er wear out the everlasting flint.
A lover may bestride the gossamers
That idles in the wanton summer air,
And yet not fall, so light is vanity. (2.6.16-20)
When Juliet rushes into Friar Laurence's cell to marry Romeo, the Friar makes a big deal about the fragility and fleetingness of worldly pleasure (a young lover's "vanity"). But (of course) there's another meaning: Stephen Greenblatt tells us that, when Friar Laurence says Juliet's "light" foot won't "wear out the everlasting flint," he means that she will never "endure or subdue the hard road of life" (source).
Quote 6
FRIAR LAURENCE
Hold thy desperate hand!
Art thou a man? Thy form cries out thou art.
Thy tears are womanish; thy wild acts denote
The unreasonable fury of a beast.
Unseemly woman in a seeming man,
Or ill-beseeming beast in seeming both!
(3.3.118-123)
In Romeo and Juliet, boys don't cry. Here, the Friar calls Romeo a "womanish" wimp for crying and threatening suicide. Give the guy a break, okay? Not only has he been in and out of love for the past month, he's just found out that he's going to be exiled without even getting to make love to his thirteen-year-old wife. (Heavy sarcasm.)