The map is not the territory.
Alfred Korzybski
It is amusing to discover, in the twentieth century, that the quarrels between two lovers, two mathematicians, two nations, two economic systems, usually assumed insoluble in a finite period should exhibit one mechanism, the semantic mechanism of identification -- the discovery of which makes universal agreement possible, in mathematics and in life.
Alfred Korzybski
It is not the mountain we conquer, but ourselves.