The Vietnam War and the Iraq war, in different ways, both made me feel like I could not not address them. I’m very doubtful about the usefulness of poetry to do that.
The vulgar crowd values friends according to their usefulness.
As you have learnt something of time, value and make a proper use of it. Once past, it knows no return; how necessary, then, that you spend it in improving your mind and fitting it for future happiness and usefulness.
Be unselfish. That is the first and final commandment for those who would be useful and happy in their usefulness. If you think of yourself only, you cannot develop because you are choking the source of development, which is spiritual expansion through thought for others.
The usefulness of a meeting rises with the square of the number of people present.