A nation that destroys its soils destroys itself. Forests are the lungs of our land purifying the air and giving fresh strength to our people.

Science can purify religion from error and superstition. Religion can purify science from idolatry and false absolutes.

There is an electric fire in human nature tending to purify - so that among these human creatures there is continually some birth of new heroism. The pity is that we must wonder at it as we should at finding a pearl in rubbish.

Sorrows gather around great souls as storms do around mountains but like them they break the storm and purify the air of the plain beneath them.

Love is never lost. If not reciprocated it will flow back and soften and purify the heart.

There is no hope even that woman with her right to vote will ever purify politics.

The main business of religions is to purify control and restrain that excessive and exclusive taste for well-being which men acquire in times of equality.