Real problem is not population explosion, but what the population is doing.
Renunciation means death of false ego.
If someone takes responsibility without force, that is love.
Krishna is present fully in His holy name and this is realized by the humility and sincerity in our chanting.
Success in spiritual life lies not in being the Best, but doing the Best.
We can't really digest food unless there's hunger. So we can't really assimilate spiritual wisdom unless we feel the need for it.