保持饥饿,保持愚蠢,但也要保持年轻。
The only limit to our realization of tomorrow will be our doubts of today.
【释义】:父亲不慈爱,子女就不会孝顺;兄长不友爱,弟弟便不会恭敬。
Leadership means making tough decisions today that will benefit generations tomorrow.