noun
Refers to one's personal principles, outlook, or guiding beliefs about how to live. Often used in discussions about values, life goals, or personal creeds.
彼の人生哲学は「一日一生」だ。
His philosophy of life is 'live each day as if it were your whole life.'
人生哲学について語り合うのは楽しい。
It's enjoyable to discuss philosophies of life with each other.