Alexander Schmidt, Shakespeare Lexicon and Quotation Dictionary

Conscience, 1) the involuntary moral judgment of our own actions: Lucr. 247. Sonn. 151, 1. Sonn. 151, 1 Sonn. 151, 1 Tp. I, 2, 470. II, 1, 275. II, 1, 275 Wiv. III, 3, 235. IV, 2, 221. V, 5, 32. Meas. II, 3, 21. Ado I, 1, 291. V, 2, 86. LLL IV, 2, 2. V, 2, 333 “(--s).” Mids. V, 230. Merch. II, 2, 1 etc. As III, 2, 410 “(--s).” Tw. III, 3, 17. John I, 42. V, 4, 43. H4A V, 2, 88 “(--s).” H5 I, 2, 31. III, 3, 13. IV, 1, 8 “(--s).” H6B III, 1, 141. III, 2, 235. H6C I, 1, 150. R3 I, 2, 235. I, 3, 222. I, 4, 124. III, 7, 174. IV, 3, 20. V, 2, 17. V, 3, 179. Troil. V, 10, 28 etc. etc. “I cannot with c. take it,” Wint. IV, 4, 660 (Autolycus' speech). “made it no c. to destroy a prince,” John IV, 2, 229. “that I shall clear myself, I make as little doubt as you do c. in doing daily wrongs,” H8 V, 3, 67 (cf. make no c. of the law, in the spurious Q1 of Rom. 20, 52). “is 't not perfect c.” Hml. V, 2, 67.
2) consciousness in general, private judgment, inmost thoughts: “I appeal to your own c., how I was in your grace,” Wint. III, 2, 47. “canst thou the c. lack to think I shall lack friends?” Tim. II, 2, 184. “thus c. does make cowards of us all,” Hml. III, 1, 83 (== thought, consideration). “now must your c. my acquittance seal,” IV, 7, 1. “this will witness outwardly, as strongly as the c. does within,” Cymb. II, 2, 36. “I will speak my c. of the king,” H5 IV, 1, 123. “shall I speak my c.?” H6B III, 1, 68. -- In c. == in truth, indeed: “dost thou in c. think . . .,” Oth. IV, 3, 61. “In my c.:” Merch. II, 2, 29. Tw. III, 1, 33 Wint. III, 3, 4. H5 III, 6, 14. IV, 1, 81. H6B V, 1, 177. Tim. III, 3, 16. -- On my c.: “and wot you what I found there, on my c., put unwillingly?” H8 III, 2, 123. “on my Christian c., this one christening will beget a thousand,” V, 4, 37. “tell me, even upon thy c., is Edward your true king?” H6C III, 3, 113. “and, o' my c., wish him ten fathom deep,” H8 II, 1, 50. “o' my conscience, twenty of the dog-days reign in's nose,” V, 4, 42. “they are too unwholesome, a c.” Per. IV, 2, 23 (M. Edd. o' c. cf. A).