“I have to go. Now I can go. I have to begin my life some time, don’t I? You don’t want me to spend all my life down in this hole, do you? You don’t think I can go on living just to keep my brother and sister company, do you?”

[…]

“Bim, I’ll come back,” he said. “I’m leaving all my books and papers with you. Look after them till I come back.”

“Why should you come back?” Bim asked stonily.

“Bim, don’t be so hard. You know I must come back—to look after you and Baba. I can’t leave you alone.”