My second husband believed I had such a fickle attitude to friendship that each Friday he would update the list of my 'Top Ten' friends in the manner of a Top Of The Pops chart countdown.
No one's going to be able to operate without a grounding in the basic sciences. Language would be helpful although English is becoming increasingly international. And travel. You have to have a global attitude.
Next Article
If you can kill animals the same attitude can kill human beings. The mentality is the same which exploits nature and which creates wars.