Little children are still the symbol of the eternal marriage between love and duty.
George Eliot Quotes
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.
It seems to me that we can never give up longing and wishing while we are alive. There are certain things we feel to be beautiful and good, and we must hunger for them always.