1. There's no art to find the mind's construction in the face. (Macbeth)
2. The devil hath power to assume a pleasing shape. (Hamlet)
3. One may smile, and smile, and be a villain. (Hamlet)
4. Plate sin with gold. (King Lear)
5. ...nor more can you distinguish of a man than of his outward show, which, God he knows, seldom or never jumpeth with the heart. (Richard III)
6. So may the outward shows be least themselves, the world is still deceived with ornament. (Merchant of Venice)
7. In law what plea so tainted and corrupt, but being seasoned with a gracious voice obscures the show of evil. (Merchant of Venice)
8. In religion what damned error but some sober brow will bless it and approve it with a text, hiding the grossness with fair ornament? (Merchant of Venice)
9. There's no vice so simple but assumes some mark of virtue on his outward part. (Merchant of Venice)
10. The devil can cite scripture for his purpose. (Merchant of Venice)
11. What a goodly outside falsehood hath. (Merchant of Venice)
12. Some that smile have in their hearts, I fear, millions of mischiefs. (Julius Caesar?)
13. ...the fiend that lies like truth. (Macbeth)
14. Look like the innocent flower, but be the serpent under it. (Macbeth)
15. The false face doth hide what the false heart doth know. (Macbeth)
16. To show an unfelt sorrow is an office which the false man does easy. (Macbeth)
17. Where we are there's daggers in men's smiles (Macbeth)
18. Roses have thorns, and silver fountains mud...(Sonnets)
19. The strawberry grows underneath the nettle... (Henry V)
20. The Moor is of a free and open nature, that thinks men honest that but seem to be so. (Othello)
21. So smooth he daubed his vice with show of virtue... (Richard III)
22. I can smile, and murder while I smile, and cry "Content!" to that which grives my heart, and wet my cheeks with artificial tears, and frame my face to all occasions. (Henry VI part 3)
23. Sweetest nut hath sourest rind (As You Like It).
24. For Pistol, he hath a killing tongue and a quiet sword. (Henry V).