I think the self-burning itself on practice of non-violence. These people, you see, they easily use bomb explosive, more casualty people. But they didn't do that. Only sacrifice their own life. So this also is part of practice of non-violence.
Physical comforts cannot subdue mental suffering, and if we look closely, we can see that those who have many possessions are not necessarily happy. In fact, being wealthy often brings even more anxiety.
Look at situations from all angles, and you will become more open.
The ultimate authority must always rest with the individual's own reason and critical analysis.
Be kind whenever possible. It is always possible.
All religions try to benefit people, with the same basic message of the need for love and compassion, for justice and honesty, for contentment.