Randomized evaluations can help us understand what works and what doesn't in development.

There's no such thing as neutral art.

不敢冒犯别人的人不可能诚实。

现在很清楚，杂种形成的种子具有一个或另一个分化特征，其中一半再次发育成杂种形式，而另一半产生的植物保持恒定，并以相等的数量接受显性或隐性特征。

You're going to pay a price for every bloody thing you do and everything you don't do. You don't get to choose to not pay a price. You get to choose which poison you're going to take. That's it.