Vanisource:Sloka of the day/September 9, 2008

ahastāni sahastānām
apadāni catuṣ-padām
phalgūni tatra mahatāṁ
jīvo jīvasya jīvanam

Those who are devoid of hands are prey for those who have hands; those devoid of legs are prey for the four-legged. The weak are the subsistence of the strong, and the general rule holds that one living being is food for another.