吾士无余财，非恶货也。无余命，非恶寿也。(If our soldiers are not overburdened with money, it is not because they have a distaste for riches; if their lives are not unduly long, it is not because they are disinclined to longevity.)
Sun Tzu, 孙子兵法 Sunzi Bingfa (The Art of War)
Acerbity [əˈsɜːbɪtɪ] 