The Torah Commandment to "do unto others as to self " : a Logic herein is that the ' others and self' come from "same Source", and 'harming another' yields 'self-harm' ; Coming from "same Source" should Instinctively make it natural to be Considerate; where Instincts have failed, written Commandments of cause-effect and profit-loss come in - this is also where Immeasurable Love gets into Calculation Zone of Justice
Literature and Capability to think Intelligently is important; merely knowing a Language does not indicate that you are Intelligent and capable of Thinking -nonsense can be communicated in any Language- ; it is Literature and Intelligent thinking that matters in real Development. Communication occurs even without Words.