Ideas become a material force when they grip the masses.
真正的发现之旅不在于寻找新的景观，而在于拥有新的眼光。
I'm not perfect, but I'm always striving to be better.
A nation's strength grows from the fertility of its fields and the wisdom of its farmers.
让世界改变你，然后你改变世界。
I cannot fix on the hour, or the spot, or the look, or the words, which laid the foundation. It is too long ago. I was in the middle before I knew that I had begun.