There's nothing wrong in suffering, if you suffer for a purpose. Our revolution didn't abolish danger or death. It simply made danger and death worthwhile.
The clash between science and religion has not shown that religion is false and science is true. It has shown that all systems of definition are relative to various purposes, and that none of them actually “grasp” reality.
The world is not looking for servants, there are plenty of these, but for masters, men who form their purposes and then carry them out, let the consequences be what they may.
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.
There are no accidents, all things have a deep and calculated purpose; sometimes the methods employed by Providence seem strange and incongruous, but we have only to be patient and wait for the result: then we recognize that no others would have answered the purpose, and we are rebuked and humbled.