Ideas become a material force when they grip the masses.

不必担忧财富不多，只须担忧财富不平均，不必担忧人口稀少，只须担忧境内不安宁。……既来了，要使他们安家乐业。

"Every child is a different kind of flower, and all together make this world a beautiful garden."

更轻意味着更少的浪费。