         Philosophy Both Eastern and Western philosophers have studied the concept in great detail.
<meaning-changed>          Philosophy Both Eastern and Western philosophers have studied the concept in great detail.
 Freud According to Sigmund Freud, knowledge could only be attained through the intellectual manipulation of carefully made observations and rejected any other means of acquiring knowledge such as intuition, and his findings could have been an analytic turn of his mind towards the subject. Philosophy Both Eastern and Western philosophers have studied the concept in great detail.