How should one disapprove of the mixing that occurs in some universities and hospitals?

Question:
He says: Honorable Shaykh, may Allah grant you success, what is the position of a student of knowledge and the general public regarding the actual mixing in some of the newly established universities and hospitals? And how should the disapproval be that clears one's conscience in this situation?

Answer:
Disapproval, as the Messenger (peace and blessings be upon him) said, is by the hand for the one who has the ability to disapprove by the hand, or by the tongue for the one who is unable to or does not have the authority to do so by the hand, or by the heart at the very least. So the one who disapproves disapproves of the evil in any case according to his ability, , yes.