Use 'on your honour' to show you're trustworthy and take your promise very seriously.

Personal Integrity

'On your honour' is a moral agreement, not a legal contract.

Not Legally Binding

In legal settings, 'on your honour' suggests a solemn promise to be honest.

Breaking a promise made 'on your honour' in legal contexts can damage your credibility.

'On your honour' stresses that one's actions align with personal ethical values.

Using 'on your honour' appeals to someone's self-respect to encourage honesty.

'On your honour' implies an expectation for self-regulated honorable behavior.