13 used for saying whose opinion, attitude, or knowledge is being referred to
To most of us, work is an unpleasant necessity.
it seems/looks to someone: It seems to me that there has been a lack of discipline.
to my mind/to my way of thinking (=in my opinion): a taxation policy which is, to my mind, unfair
to someone’s knowledge (=according to what someone knows): To my knowledge, no one knew what Melissa was planning.