Donna Of Tartt. The secret history (№ 256495)

... to ignore the existence of the irrational is dangerous. The more developed the person is, the more it is subject to reason and restrained, the more it needs to be a certain way, where he could direct those animal impulses, over which so persistently seeks to gain the upper hand. Otherwise, these already powerful forces will only accumulate and grow, until it finally breaks out out the destructive effect that they had been holding back. Confront them are often not able no will.