Imagination is more powerful than knowledge.
If the bees disappear, man would have only four years of life left.
Each possession I own is but a stone around my neck.
It would be a sad situation if the bag was better than the meat wrapped in it.
Nothing truly valuable can be achieved except by the unselfish cooperation of many individuals.
Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience.