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. ↗
Each experience through which we pass operates ultimately for our good. This is a correct attitude to adopt and we must be able to see it in that light. ↗
I believe everyone should have a broad picture of how the universe operates and our place in it. It is a basic human desire. And it also puts our worries in perspective. ↗
The prudent course is to make an investment in learning, testing and understanding, determine how the new concepts compare to how you now operate and thoughtfully determine how they apply to what you want to achieve in the future. ↗