sage advice
Sound, intelligent advice, especially coming from a wise or experienced person. Sometimes used ironically or sarcastically. My grandfather was a wellspring of sage advice. Whenever I had a problem, he was the first person I would consult. Wow, thanks for the sage advice, Pat. I never would have thought to restart the computer.
sage advice
very good and wise advice. My parents gave me some sage advice when I turned 18. I asked my uncle for some of his sage advice.