This I believe

Beliefs - strong?weak? to be held?. Imperfect. YMMV. Not (at) all original.

• A “No” is enough.
• Don’t give reasons for your no.
• Don’t explain yourself, especially to a mob.
• Make the minutes count.
• Don’t make a virtue out of being busy.
• Read “The art of thinking clearly”.
• Delivery fixes many short-comings.
• Brute force is a method to accomplish things. Don’t discount it too early.