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“Complaisance,” or adapting oneself to others, or sociability, is a law of nature.
A fifth law of nature is complaisance; that is to say, that every man strive to accommodate himself to the rest. For the understanding whereof we may consider that there is in men's aptness to society a diversity of nature, rising from their diversity of affections, not unlike to that we see in stones brought together for building of an edifice. For as that stone which by the asperity and irregularity of figure takes more room from others than itself fills, and for hardness cannot be easily made plain, and thereby hindereth the building, is by the builders cast away as unprofitable and troublesome: so also, a man that by asperity of nature will strive to retain those things which to himself are superfluous, and to others necessary, and for the stubbornness of his passions cannot be corrected, is to be left or cast out of society as cumbersome thereunto. For seeing every man, not only by right, but also by necessity of nature, is supposed to endeavour all he can to obtain that which is necessary for his conservation, he that shall oppose himself against it for things superfluous is guilty of the war that thereupon is to follow, and therefore doth that which is contrary to the fundamental law of nature, which commandeth to seek peace. The observers of this law may be called sociable, (the Latins call them commodi); the contrary, stubborn, insociable, forward, intractable.
Hobbes, Lev XV 17