FRIAR LAWRENCE: These violent delights have violent ends
And in their triumph die, like fire and powder,
Which, as they kiss, consume.

William Shakespeare (1564–1616) English dramatist and poet

Romeo and Juliet, Act 2, sc. 6, l. 9ff (2.6.9-11) (1595)
    (Source)

Urging Romeo to moderate his reckless passion for Juliet.