"If our nature is permitted to guide our life, we grow healthy, fruitful and happy."

-- Abraham Maslow

"Men argue, nature acts."

-- Voltaire

"The bounty of nature is too little for a greedy man."

-- Seneca

"Nature never deceives us; it is always we who deceive ourselves."

-- Rousseau

"And this our life, exempt from public haunt, finds tongues in trees, books in the running brooks, sermons in stones and good in everything."

-- Shakespeare

"Hope and fear cannot alter the seasons."

-- Chogyam Trungpa

"We have to remember that what we observe is not nature itself but nature exposed to our method of questioning."

-- Heisenberg

"Whatever is unnatural is untrustworthy."

-- Beryl Markham

"In nature there are neither rewards nor punishments -- there are consequences."

-- Robert G. Ingersoll

"The end is living in agreement with nature."

-- Zeno

"Adopt the pace of nature; her secret is patience."

-- Ralph Waldo Emerson