摩訶止觀 6.120

6.120

或七法為藥者，止是除、捨、定三覺分；觀是擇、喜、精進覺分；念通兩處。

Or when seven dharmas serve as medicine: calming is the three limbs of awakening (bodhyaṅga) of tranquility, equanimity, and samādhi; contemplation is the limbs of awakening of discernment, joy, and vigor; mindfulness permeates both places.