Sahl ibn Sa'd reported that the Messenger of Allah, may Allah bless him and grant him peace, said, "I and those who care for orphans will be in the Garden [heaven] like this," and he pointed with his forefinger and middle finger and made an opening between them."
Riyadh-as-Saliheen by Imam Al-Nawawi, volume 2, hadith number 262 - Sunni Hadith