Life is beautiful, as long as it consumes you. When it is rushing through you, destroying you, life is gorgeous, glorious. It's when you burn a slow fire and save fuel, that life's not worth having.
The thought manifests as the word. The word manifests as the deed. The deed develops into habit. And the habit hardens into character. So watch the thought and its ways with care. And let it spring from love, born out of concern for all beings.
Nature, body, mind go to death, not we. We neither go nor come. The man Vivekananda is in nature, is born and dies. But the Self we see as Vivekananda is never born and never dies. It is the eternal and unchangeable Reality.
If scientific analysis were conclusively to demonstrate certain claims in Buddhism to be false, then we must accept the findings of science and abandon those claims.