冷暖自知

Explanation: Warm and cold water, drinkers know. Zen Buddhism to compare yourself to the realm of enlightenment. Also be used to study the depth of experience, only you know. 　　Usage: The main predicate; as predicate, object; analogy understand the depth of the heart is self-evident 　　Source: Tang Shan fear the "big day by the sparse" Volume 12: "If the water were, hot and cold knowing." 　　Examples: This means the grant of Mongolia into the office, such as human drinking water, ~. This monk is a person division also. (Original Song, Buddhism, Taoism, "Jing Chuan Deng recorded" IV) 　　Riddle: Thermometer Thesaurus:  Such as human drinking water have a profound knowledge of sth., Such as fish, water