We use mathematics to understand the markets, not to predict them.

By recording your dreams and goals on paper, you set in motion the process of becoming the person you most want to be. Put your future in good hands — your own.

Without food, man can live at most but a few weeks; without it, all other components of social justice are meaningless.

思考你现在的幸福，每个人都有很多；而不是过去的苦难，每个人都会有一些。