3 --> Here is a funny one...! *(Not to offend anybody)*

वैध्यराज नमः तुभ्यं, यमराजसहोदर |

यमः तु हरति प्राणम्, वैध्यराजः धनानि च ||

--> Oh Doctor, I salute you! You are the brother of Yama Raja(Lord Of Death). Yama Raja takes only the life, but doctor takes the money too! :D