四明十義書 2.6

2.6

因被予問疑書、詰難書徵其理觀合是常坐等三種三昧，何故十法文中全無境觀修證之相耶？

Because you were questioned by my Letter Inquiring on Doubts and Letter of Cross-examination, which pressed you that principle contemplation ought to be the three kinds of samādhis such as the constantly sitting samādhi, why then in the text of the ten dharmas is there completely no mark of cultivation and realization through object and contemplation?