It is the low drive for ...

It is the low drive for sameness and the hatred of otherness that characterizes all forms of leftism, which inevitably are totalitarian.
 Erik von Kuehnelt-Leddihn

Quotes from the same author

Tolerance can be exercised only by those who have well-grounded convictions (although it will not always be exercised even by them). For such people tolerance is an act of self-abnegation; although they are convinced that those who differ from them must be wrong, they nevertheless will protect their rights.
 Erik von Kuehnelt-Leddihn
Only a person with convictions has a genuine possibility to be tolerant. He who accepts no absolute values but clings to polite doubt cannot be tolerant but merely indifferent. He is morally defenseless in the face of evil.
 Erik von Kuehnelt-Leddihn
Democratism and its allied herd movements, while remaining loyal to the principle of equality and identity, will never hesitate to sacrifice liberty.
 Erik von Kuehnelt-Leddihn
Sometime in the coming century, people will rack their brains pondering how nations with tremendous scientific and intellectual achievements could have given uninstructed and untrained men and women the right to vote equally uninstructed and untrained people into responsible positions.
 Erik von Kuehnelt-Leddihn
Fifty-one percent of a nation can establish a totalitarian regime, suppress minorities and still remain democratic.
 Erik von Kuehnelt-Leddihn