Watch constantly against those things which are thought to be no temptations. The most poisonous serpents are found where the sweetest flowers grow. Cleopatra was poisoned by an asp that was brought to her in a basket of fair flowers. Sharp-edged tools, long handled, wound at last.
The Complete Works of C. H. Spurgeon, Volume 14: Sermons 788 to 847 (ed. 2015)