Two left-handed gloves don't make a pair. Two half-truths don't make a truth.
Seen from the moon we are all the same size.
Immortality without eternity is a rope with only one end.
Principles are things which one calls upon to avoid something unpleasant.
There is nothing more poetic than the truth. He who does not see poetry in it will always be a poor versifier outside of it.
Perhaps nothing is entirely true, not even this.