What is a symbol of giving and devoutness to god?

Question

I need something to describe st. john bosco and his givingness. I need it to be a symbol(yes i know givingness isn't a word)

Answer 1

I would imagine the most potent symbol would be an empty wallet.

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Answer 2

Humility. It is usually, in renditions of paintings, shown in a prostrated position, or a person on their knees, head lowered and hand open extend upward.

Answer 3

Sacrifice; either it be physical or otherwise.