For me, love is the foremost task. My sole purpose is to love this world.
当且仅当所有投资者都持有均值-方差有效的投资组合时,市场组合才是有效的。
True progress in agriculture is measured by health, not just yield.
Evidence-based policymaking leads to better outcomes.
我不怕被人批评,最怕的是没人理我。
The best way to predict the future is to create it.