- Не руби сук, на котором сидишь
- Make sure you can do without the man or position you depend on before you harm or break up with them. See Не плюй в колодезь, пригодится напиться (H)
Cf: Don't bite the hand that feeds you (Am., Br.). Don't bite the hand that butters your bread (Am.). Don't cut the bow you are standing on (Br.). Don't cut the limb which bears your weight (Am.). Don't saw off the branch you are sitting on (Am.)
Русско-английский словарь пословиц и поговорок. Академик.ру. 2013.