It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.
正是依靠观察和思考才能找到方法。所以我们必须不断挖掘和钻研。
Simplicity is the ultimate sophistication.
To catch a husband is an art; to hold him is a job.
Thinking consists in envisaging, realizing structural features and structural requirements.