The body is at its best between the ages of thirty and thirty-five; the mind is at its best about the age of forty-nine.

The body is at its best between the ages of thirty and thirty-five; the mind is at its best about the age of forty-nine.

人的身体在三十岁至三十五岁之间最佳状态;人的心智在四十九岁时达到最佳状态。

-- Aristotle 亚里士多德