I like to think the moon is there even if I am not looking at it.
Nothing will benefit human health and increase the chances for survival of life on Earth as much as the evolution to a vegetarian diet.
Insanity: doing the same thing over and over again and expecting different results.
The only rational way of educating is to be an example. If one can't help it, a warning example.
The true sign of intelligence is not knowledge but imagination.
The series of integers is obviously an invention of the human mind, a self-created tool which simplifies the ordering of certain sensory experiences.