What matters most is not what is behind us or before us, but what is within us.
If the red slayer think he slays, Or if the slain think he is slain, They know not well the subtle ways, I keep and pass and turn again.
In the morning a man walks with his whole body; in the evening, only with his legs.
The religions are obsolete when the reforms do not proceed from them.
The ancestor of every action is a thought.
The law of nature is alternation for evermore. Each electrical state superinduces the opposite. The soul environs itself with friends, that it may enter into a grander self-acquaintance or solitude; and it goes alone for a season, that it may exalt its conversation or society.