tenets (of a religious sect); doctrines
(religious) sect; denomination; religion; faith
one's principles; one's tastes; one's preferences
この寺の宗旨は禅宗だ。
The doctrine of this temple is Zen Buddhism.
宗旨替えをする人は珍しくない。
People who change their faith are not uncommon.
彼の宗旨は何ですかと聞いた。
I asked what his religious affiliation was.