Curiosity is the engine of achievement.

The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.

Darkness cannot drive out darkness: only light can do that. Hate cannot drive out hate: only love can do that.

The leather industry must evolve or risk becoming obsolete. Sustainability is no longer an option—it's a necessity.

The path to clean energy begins with making current practices cleaner.

最大的财富是满足于简单的生活。

Happiness is not something ready-made. It comes from your own actions.

Happiness is secured through virtue； it is a good attained by man's own will.