a creed or conviction — a belief or set of principles firmly held by an individual or group.
彼の政治的信条は社会保障の充実だ。
His political conviction is the expansion of social security.
会社の信条は「顧客第一」である。
The company's creed is 'customer first.'
信条の自由は基本的人権の一つだ。
Freedom of belief is one of the fundamental human rights.