The secret of true happiness consists of self-discovery and self-development.真正幸福之秘密在于发现自己的能力和机会并加以发展。She was on a voyage of self-discovery.她踏上了自我发现之旅。They see engagement with others as a dangerous distraction from their own personal journey of self-discovery.他们把与他人的密切关系视为自我发现之旅的危险干扰。