The core of technological innovation is to solve practical problems, not to innovate for the sake of innovation.

The greatness of human actions is measured by the inspiration that gives rise to them.

——《在神户国民党交通部欢迎会的演说》（1913年3月13日）

释义：只有连根拔除杂草，才能确保它不会再发芽生长。如果砍草时不除去根部，到了春天杂草还会再度生长。