I have learnt through bitter experience the one supreme lesson to conserve my anger, and as heat conserved is transmuted into energy, even so our anger controlled can be transmuted into a power which can move the world.
If as a member of a slave nation I could deliver the suppressed classes from their slavery without freeing myself from my own, I would do so today. But it is an impossible task.
Buddha renounced every worldly happiness because he wanted to share with the whole world his happiness which was to be had by men who sacrificed and suffered in the search for truth.