Psychology must be a science of phenomena, not noumena.
The database is the heart of the application, and the application is the heart of the business.
荒野是一个危险的地方。要生存,你必须尊重它。
One can't proceed from the informal to the formal by formal means.
"As we delve deeper into the genome, we realize that the complexity of life is far greater than we ever imagined."