Nihongi: Chronicles of Japan from the Earliest Times to A.D. 697…
“ Oho-yama-mori no Mikoto answered and said:—"There is none like the elder." On this the Emperor showed displeasure. Then Oho-sazaki no Mikoto, who had previously observed the Emperor's expression of face, answered and said:—"The older has experienced many colds and heats, and has already become a man, so that there is no reason for anxiety about him. But in the case of a young child one knows not whether he will reach manhood or not, and for that reason he is very pitiable." ”
