In the tropics the white feels weakened, or downright weak, whence comes the heightened tendency to outbursts of aggression. People who are polite, modest or even humble in Europe fall easily into a rage here, get into fights, destroy other people, start feuds, fall prey to megalomania, grow touchy about their prestige and significance and go around completely devoid of self-criticism, bragging about the position and the influence they have at home.