Plutarch. Plutarch's Lives of the Noble Grecians and Romans
Englished by Sir Thomas North. Trans. Sir Thomas North. Vol. 6 (1579; London: David Nutt, 1896) 197.

     they were apprehended, but rather that they should killMARCUS
     them selves with their owne hands. And when Cassius and  BRUTUS
     certeine other clapped their handes on their swordes under
     their gownes to draw them: Brutus marking the counten-
     aunce and gesture of Laena, and considering that he did use
     him selfe rather like an humble and earnest suter, then like
     an accuser: he sayd nothing to his companion (bicause there
     were many amongest them that were not of the conspiracie)
     but with a pleasaunt countenaunce encouraged Cassius. AndBrutus with
     immediatlie after, Laena went from Caesar, and kissedhis counte-
     his hande: which shewed plainlie that it was for some matternaunce encor-
     concerning him selfe, that he had held him so long in talke.aged his feare-
     Nowe all the Senators being entred first into this place orfull consortes
     chapter house where the counsell should be kept: all the
     other conspirators straight stoode about Caesars chaire, as if
     they had had some thing to have sayd unto him. And some
     say, that Cassius casting his eyes upon Pompeys image, made
     his prayer unto it, as if it had bene alive. *Trebonius on*In Caesars
     thother side, drewe Antonius atoside, as he came intolife it is sayd,
     the house where the Senate sate, and helde him with a longit was Decius
     talke without. When Caesar was come into the house, allBrutus Albi-
     the Senate rose to honor him at his comming in. So whennus, that kept
     he was set, the conspirators flocked about him, and amongstAntonius with
     them they presented one *Tullius Cimber, who made humblea talke with-
     sute for the calling home againe of his brother that wasout.
     banished. They all made as though they were intercessors*In Caesars
     for him and tooke him by the handes, and kissed his headlife he is
     and brest. Caesar at the first, simplie refused their kindnessecalled Metel-
     and intreaties: but afterwardes, perceiving they still pressedlus Cimber.
     on him, he violently thrust them from him. Then Cimber
     with both his hands plucked Caesars gowne over his shoulders,  The murther
     and Casca that stoode behinde him, drew his dagger first,of Caesar.
     and strake Caesar upon the shoulder, but gave him no great
     wound. Caesar feeling him selfe hurt, tooke him straightCasca, the
     by the hande he held his dagger in, and cried out in Latin:first that
     O traitor, Casca, what doest thou? Casca on thother sidewounded
     cried in Graeke, and called his brother to helpe him. Sohim.
     divers running on a heape together to flie uppon Caesar, he
     looking about him to have fledde, sawe Brutus with a sworde