When it comes to atoms, language can be used only as in poetry.
Never express yourself more clearly than you are able to think.
Truth and clarity are complementary.
It is the hallmark of any deep truth that its negation is also a deep truth.
The old saying of the two kinds of truth. To the one kind belongs statements so simple and clear that the opposite assertion obviously could not be defended. The other kind, the so-called 'deep truths', are statements in which the opposite also contains deep truth.
A physicist visits a colleague and notices a horseshoe hanging on the wall above the entrance. 'Do you really believe that a horseshoe brings luck?' he asks. 'No,' replies the colleague, 'but I've been told that it works even if you don't believe in it.'