You shouldn't worry about his eccentricities.
You had better blink at his eccentricities.
Don't be irritated at his odd behavior.
You had better not play on his generous nature.
You don't have to pay attention to what he says.
You don't have to pay attention to what he says.
I don't think you should be too (much) bothered by his criticism.
It's better not to meddle in his affairs.
Please don't mind what he says at all.
You needn't worry about his threats. As you know, his bark is worse than his bite.
Your determination, together with his charm, should be very effective.
Don't bother with what he said.
Don't go against his wishes.
Whatever happens we must prevent him from finding out about the plan.
You should not jump to the conclusion that what he told us is a lie.
Don't make light of his advice.