It is a given that to be an intriguing person, one must be able to inspire the perpetual curiosity of others  Constantly broadening one' s abilities and extending one' s intellectual reach will enable one to inspire that curiosity
If one constantly broadens one's abilities and extends one's intellectual reach, one will be able to inspire the perpetual curiosity of others.
 For such a perpetual expansion of one' s mind makes it impossible to be fully comprehended, making one a constant mystery to others