如人饮水，冷暖自知
rú​rén​yǐn​shuǐ​lěng​nuǎn​zì​zhī

only the drinker knows if the water is cold or warm

如人饮水，冷暖自知 如人飲水，冷暖自知 rú​rén​yǐn​shuǐ​lěng​nuǎn​zì​zhī
only the drinker knows if the water is cold or warm
A proverb meaning that one's personal feelings or experiences can only be truly understood by oneself; self-awareness comes from within.