You can't just let nature run wild.

Man is fully responsible for his nature and his choices.

Nature hath framed strange fellows in her time.

Nothing is too wonderful to be true, if it be consistent with the laws of nature.

All men are by nature born equally free and independent.

Suffering is permanent, obscure and dark, And shares the nature of infinity.

It is the nature of the wise to resist pleasures, but the foolish to be a slave to them.

That is the fundamental nature of gifts: they move, and their value increases with their passage.

All men that are ruined are ruined on the side of their natural propensities.

Most science is only high falutin' nature studies.