Chrysippus (or Chrysippos) of Soli was a Greek Stoic philosopher.
Although Chrysippus believed in fate, divination, and gods, he believed reason, sympathy, and knowledge were the tools human beings should use when addressing ethical problems.

I count religion but a childish toy,And hold there is no sin but ignorance. Christopher Marlowe, The Jew of Malta, […]
Without denying or affirming a life after death, or reality beyond experience… we can (without injury to our moral life) […]
While there is much that we do not know, humans are responsible for what we are or will become. No […]
There is no hope but us. There is no mercy but us. There is no justice. There is just us… […]