The most dangerous worldviews are the worldviews of those who have never viewed the world.

清洁：身体、衣服及住所，力求整洁。

The only way to succeed is to be completely honest with yourself and others.

让我们这本《大教学论》的主要目标如下：寻求并找到一种教学方法，使教师教得更少，但学生学得更多。

未来属于那些在可能性变得明显之前就能看到它们的人。