The sum of the whole is this: walk and b« happy! walk and be healthy. The best of all ways to lengthen ourdays, is notas Mr. Thomas Moore has it, " ]To steal a few hours from night, my love;" but with leave, be it spoken, to walk steadily and with a purpose.
It is worthwhile for one to make an effort to achieve happiness. Just as the purpose of a plant is to grow, so it is that the main purpose of every human being is to survive and to grow until death.
Let this circumstance of our constitution therefore be directed to this noble purpose, and then all the objections urged against it by jealous tyranny and affrighted superstition will vanish.
We scientists, whose tragic destination has been to help in making the methods of annihilation more gruesome and more effective, must consider it our solemn and transcendent duty to do all in our power in preventing these weapons from being used for the brutal purpose for which they were invented.