An acetic, an old man

An old man, a very sick man, a corpse

An old man, a very sick man, a corpse, an acetic

A very sick man, an old man, a corpse, an acetic

World is full of sorrows and cause of sorrow is desire

Sorrows can be removed if desires are conquered

Following the Eight-Fold Path

All the above

Bull

Lion

Horse

Tiger

Buddha

Dhamma

Sangha

All the above

Vasumitra

Ashoka

Cheraka

Mahakassapa