Psychology must be purely experimental and analytical.
The world is full of magic things, patiently waiting for our senses to grow sharper.
历史上最坏的罪恶往往都来自那些自以为是在打击罪恶的人。留心自己打击罪恶的想法。
The poet's heart must be open to all the winds of heaven.
Engineering is about solving problems, not just making things look pretty.