俱舍論記 24.97

24.97

「為得漏盡至為三自體」者，答。為得漏盡，常樂學故。學體有三，謂戒、定、慧。言定是心，從所依為名。

[The phrase] "Because, in order to attain the exhaustion of outflows […] are the three intrinsic natures" is the reply. It is because, in order to attain the exhaustion of outflows, they constantly delight in training. The essence of training has three [aspects]: namely, śīla, samādhi, and prajñā. Stating that samādhi is mind is naming it after its basis.