To have the best interest of our school at heart.
Everyone has to do in the best interest of the team.
The current government does not have our best interest in mind.
I need someone to look out for my best interest.
We just decided to make a change in the best interest of the team.
I know you only have my best interest at heart.
People in power do not always have your best interest at heart.
We just thought it would be in our best interest to make things right.
That would be in the best interest of all Americans.
They help us because it is in their best interest to do so.