Knowing is not understanding. There is a great difference between knowing and understanding: you can know a lot about something and not really understand it. ↗
My definition of an educated man is the fellow who knows the right thing to do at the time it has to be done. You can be sincere and still be stupid. ↗
I want you to give all these chiefs of the soldiers here to understand that we are for peace, and that we have made peace, that we may not be mistaken by them for enemies. ↗
As a medical doctor, it is my duty to evaluate the situation with as much data as I can gather and as much expertise as I have and as much experience as I have to determine whether or not the wish of the patient is medically justified. ↗