Aristotle said philosophy begins in wonder. He did not mean idle curiosity. He meant the arresting experience of confronting something that exceeds your categories — the night sky, the birth of a child, the fact that anything exists at all rather than nothing.
Wonder is the opposite of taking things for granted. It is the capacity to be astonished by what familiarity has made invisible. A child has it naturally. An adult must cultivate it deliberately, because routine is the enemy of attention.
Rachel Carson argued that a sense of wonder is not a luxury for scientists and artists — it is a survival tool. A society that loses the ability to be astonished by nature will not bother to protect it. A person who loses the ability to be astonished by other people will not bother to understand them.
Wonder is also the antidote to cynicism. The cynic has decided in advance that nothing is remarkable. The person capable of wonder remains open to being proven wrong by reality. That openness is the beginning of both knowledge and reverence.