Fifty (years of LZ's life) concentrates to Ten minutes (for us). 受教了.
A book of 100 great calligraphies in Chinese history, as 'Calligraphy' in one of 5 parts (the others are Bronzes, Jade, Paintings and Books) named 'Gu gong (National Palace Museum) bao ji' published in 1985 in Taiwan may be interesting to some friends here.