Never tell people how to do things. Tell them what to do, and they will surprise you with their ingenuity.
Don't tell people how to do things. Tell them what to do and let them surprise you with their results.
Prepare for the unknown by studying how others in the past have coped with the unforeseeable and unpredictable.
It is foolish and wrong to mourn the men who died. Rather we should thank God that such men lived.