We don’t see things as they are, we see them as we are.
It usually takes half a day of hard leadership exercises to get to the essence of the quote. Please read it again, nothing captures the risks and rewards of good feedback better.
Image abstractions and tough role plays may be needed for you to realize how much of your own understanding, attitude and behavior is part of the feedback you’re trying so hard to deliver on a perfectly objective and neutral level.
Only you don’t; everything is in the eye of the beholder, your’s and your feedback too. Knowing you’re part of the equations is part of the solution; any and all feedback starts with yourself and your realization of your role in the interaction, you wish to give feedback.