Sayings of Ramakrishna 62

When the shell of an ordinary coconut is pierced through, the nail enters the kernel of the nut too. 

But in the case of the dry nut, the kernel becomes separate from the shell, and so when the shell is pierced the kernel is not touched. 

Jesus was like the dry nut, i.e. His inner soul was separate from His physical shell, and consequently the sufferings of the body did not affect Him.