いざという時には平生の心がけがものを言う。
In an emergency, what you've been mindful of day to day is what counts.
彼は事故の翌日も平生と変わらない様子で出勤してきた。
Even the day after the accident, he came to work looking no different from usual.
父は平生あまり酒を飲まないが、正月だけは別だ。
My father doesn't usually drink much, but New Year's is an exception.
平生から体を鍛えておくことが大切だ。
It's important to keep yourself fit as a matter of habit.