A man who is trampled to death by an elephant is a man who is blind and deaf.

http://www.motherlandnigeria.com/proverbs.html

Meyek olenkaina ilala lenyena
The elephant does not get tired of its tusks
Meaning: one carries his burden without flinching.

http://www.bluegecko.org/kenya/tribes/maasai/proverbs.htm