self absorption, n.All

Self-absorption (n.) shuts ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠the gates of knowledge in a thinker's face as soon as his own case starts to interest him.