yǐn​shuǐ​zhī​yuán

to be grateful for one's roots

Senses

饮水知源/ 飲水知源 yǐn​shuǐ​zhī​yuán to be grateful for one's roots

to remember the source of the water one drinks; to be grateful for the origin of one's success or for those who helped one in the past

References

synonym 饮流怀源/飲流懷源 饮水知源/飲水知源