Much unhappiness has come into the world because of bewilderment and things left unsaid.

The line attributes human misery less to fate or malice than to failures of understanding and communication. “Bewilderment” suggests confusion, misreading, and the fog of motives that separates people; “things left unsaid” points to silence—unspoken love, resentment, fear, or truth—that allows misunderstandings to harden into lasting wounds. In a Dostoyevskian key, the remark implies that moral and psychological suffering often arises not from grand events but from ordinary evasions: the refusal to articulate what one knows or feels, and the inability to make oneself intelligible to others. It is also an ethical prompt: clarity and candor can be forms of compassion, while silence can become a quiet source of harm.