因果推断不仅仅是统计显著性；它关乎理解数字背后的机制。
The American dream is powered by American energy.
在不确定的时期，清晰的沟通和果断的行动比以往任何时候都更重要。
The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.
Don’t let fear stop you from chasing your dreams.
孩子天生就能改进他们的行为，而且他们也喜欢这样。心理学家说，孩子必须游戏、因为借着游戏，孩子的发展才能更趋完善。