Look deep into nature, and then you will understand everything better.
Albert Einstein

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

He is richest who is content with the least, for content is the wealth of nature.
Socrates

Forget not that the earth delights to feel your bare feet and the winds long to play with your hair.
Khalil Gibran