Ignorance is the cause of fear.
Seneca
When you live by a set of principles that allow you to overcome anything life throws at you, even death, you’re no longer living in fear nor afraid of what lies ahead. You welcome challenges; you’re excited to overcome them because studying philosophy has prepared you for their arrival. If the stoic feared anything, it was ignorance itself; that’s why the quest for truth lies in the art of living, in other words, philosophy. By becoming a practicing stoic, you’re contributing to millenniums of research from others who all followed the same path trying to overcome their own difficulties faced during their time period. Stoicism is the chisel, and the stoic is the hammer, while our life is the incredible sculpture that is finally completed when the last strike is blown and death do us part.