书籍是一种政治行动。书籍是知识。书籍是反思。书籍改变你的思想。
"Books are a form of political action. Books are knowledge. Books are reflection. Books change your mind."
建造就是使不可见的东西变得可见。
在必要时不要害怕转向。灵活性在商业中至关重要。
农业的真正进步来自观察和向自然学习。
Combinatorics is like the art of counting without actually counting.