Nature, when left to universal laws, tends to produce regularity out of chaos.

We find that the more a cultivated reason devotes itself to the aim of enjoying life and happiness, the further does man get away from true contentment.

Heaven has given human beings three things to balance the odds of life: hope, sleep, and laughter.

For peace to reign on Earth, humans must evolve into new beings who have learned to see the whole first.

Two things awe me most, the starry sky above me and the moral law within me.

Life is the faculty of spontaneous activity, the awareness that we have powers.

Things which we see are not by themselves what we see ... It remains completely unknown to us what the objects may be by themselves and apart from the receptivity of our senses. We know nothing but our manner of perceiving them.