be a sage

این به معنای داشتن خردی فراتر از طول عمر کسی و توانایی ارائه بینش ها یا توصیه های عمیق است.
مثال؛
He has always been a sage, offering wise words in times of need.
A friend might say to another friend seeking guidance, “You should talk to him. He’s a sage and can offer valuable perspective. ”