yup, bhikkhu2 hutan mis: Ajahn Chah & Ajahn Buddhadasa malah mengatakan jhana malah merupakan penghalang utk vipassana.
A. Chah: jika kamu bisa mencapainya, itu bagus, kamu bisa menikmatinya, sementara orang lain cuma membicarakannya, tapi ketahui batasnya. jgn melekat padanya.
A. Buddhadasa: A deeply concentrated mind cannot practice introspection at all. It is in a state of unawareness and is of no use for insight. DEEP CONCENTRATION IS A MAJOR OBSTACLE TO INSIGHT PRACTICE. To practice introspection one must first return to the shallower levels of concentration; then one can make use of the power the mind has acquired.
PS: Yg berbahaya bukan jhana nya, tapi kelekatan kita...