I will not attack your doctrines nor your creeds if they accord liberty to me. If they hold thought to be dangerous - if they aver that doubt is a crime then I attack them one and all because they enslave the minds of men.
For the meaning of life differs from man to man from day to day and from hour to hour. What matters therefore is not the meaning of life in general but rather the specific meaning of a person's life at a given moment.