"You are doing the most important work of your life here at John Deere"
Trusting someone with your life is a different level and type of trust than trusting someone to be on time consistently. Of course there are several levels in between. First we need to define what level of trust you’re talking about because the wild card is that “Perception is Reality”.
WHAT we say is almost never the problem but rather HOW we say it. I have been through this hundreds of times where conflict is created not just by the subject but mostly by the delivery.
High personal performance and humility are also two things that always go together. Without humility you will view constructive feedback as a personal attack.