Meditation is valuable for all of humanity because it involves looking inward. People don't have to be religious to look inside themselves more carefully. It is constructive and worthwhile to analyze our emotions, including compassion and our sense of caring, so that we can become more calm and happy.
Although we are all the same in not wanting problems and wanting a peaceful life, we tend to create a lot of problems for ourselves. Encountering those problems, anger develops and overwhelms our mind, which leads to violence. A good way to counter this and to work for a more peaceful world is to develop concern for others. Then our anger, jealousy and other destructive emotions will naturally weaken and diminish.
Scientists may study mainly matter but they cannot ignore the human mind, or consciousness: spiritual practitioners may be engaging mainly in developing the mind but they cannot completely ignore their physical needs. It is for this reason that I have always stressed the importance of combining both mental and the material approach to achieving happiness for humankind.
If there is no solution to the problem then don't waste time worrying about it. If there is a solution to the problem then don't waste time worrying about it.
If science proves facts that conflict with Buddhist understanding, Buddhism must change accordingly. We should always adopt a view that accords with the facts.
In a free country, America, or India, and Japan, and many places, democracy country, free country, but still within the sort of rule of law, some injustice, some sort of problems, some discrimination, and also some sort of scandals or the corruptions. These things, you see, they are always in my mind, I think many people agree, lack of moral principle.