How we cite our quotes: (Part.Chapter.Paragraph)
Quote #4
Consciousness is the lit headlights at the front of a moving locomotive. Turn their light inwards and there will be a catastrophe. (3.3.13)
This quotation suggests that human consciousness is intended to look at the outside world and to think deeply about it. When people turn this level of attention inward, though, they just get really self-conscious and insecure. In other words, there are some pretty big consequences when people spend too much time thinking about themselves.
Quote #5
"It seems to me that socialism is a sea into which all these personal, separate revolutions should flow, the sea of life, the sea of originality." (5.8.22)
Before he sees the worst effects of the Russian Revolution, Zhivago shows quite a bit of sympathy for the ideals of socialism. He's honestly fine with socialism as long as it doesn't stomp on people's ability to think for themselves as individuals. For him, creativity and originality are what matter in human thought, and as long as socialism doesn't kill these things, he's fine with it.
Quote #6
[Still], as soon as the talk turned to what was most important, to things known to people of a creative cast, all ties disappeared except the single one, there was neither uncle nor nephew, nor any difference in age, and there remained only the closeness of element to element, energy to energy, principle to principle. (6.4.34)
When it comes to ideas, family ceases to matter. People are brought together by their shared interests and shared philosophical viewpoints. The Bolshevik Revolution was ultimately able to harness this exact kind of power to make people turn away from their families in order to support the ideals of the revolution.