Psychology must be a practical science, concerned with the how and why of mental operations.
心理学必须是一门实用的科学,关注心理运作的方式和原因。
The most dangerous thing is to do nothing.
电影的美在于它让我们能够通过别人的眼睛看世界。
When stocks are attractive, you buy them. Sure, they can go lower. I've bought stocks at $12 that went to $2, but then they later went to $30. You just don't know when you can catch the bottom.
Science is the torch that lights our way forward.