如果你没有进步,就是在落后——尤其是在像畜牧业这样充满活力的行业。
If you're not improving, you're falling behind—especially in an industry as dynamic as animal husbandry.
自然状态下的生活是孤独、贫穷、丑陋、野蛮和短暂的。
"The only limit to our realization of tomorrow is our doubts of today."