Alternative form of you don't dip your pen in company ink

Alternative form of you don't dip your pen in company ink

One should avoid romantic or sexual relationships in the workplace.

(idiomatic, sarcastic) Used to indicate that one is glad, or at least unmoved, to see the addressed person leaving.

Don't presume to give advice to those who are more experienced.

One should not carry out an action if they are unwilling to handle the consequences.

indicates the importance of persistence in the pursuit of success.

If one does not know about a problem or a misdeed, one will not be able to render oneself unhappy by worrying about it; often used to justify not informing an individual about a problem or misdeed.

(US, military, idiomatic, sometimes humorous) Used by senior enlisted military personnel to indicate that they are not commissioned officers.

To make no attempt to do something guarantees failure, so you should always try.