Ignorant men raise questions that wise men answered a thousand years ago. Johann Wolfgang von Goethe
If all mankind were to disappear, the world would regenerate back to the rich state of equilibrium that existed ten thousand years ago. If insects were to vanish, the environment would collapse into chaos. E. O. Wilson
If you have always believed that everyone should play by the same rules and be judged by the same standards, that would have gotten you labeled a radical 60 years ago, a liberal 30 years ago and a racist today. Thomas Sowell
If I have not read a book before, it is, for all intents and purposes, new to me whether it was printed yesterday or three hundred years ago. William Hazlitt
The best time to plant a tree was 20 years ago. Chinese Proverb
The best time to plan a tree is 20 years ago. The second best time is now. African Proverb