Saepe creat molles aspera spina rosas" - "Often the prickly thorn produces tender roses - Ovid
A magnificent cause can overcome a prickly personality, but your ability to enchant people increases if they like you, so you should aspire to both. You’ll know that you’re likeable when you can communicate freely, casually, and comfortably with people. - Guy Kawasaki
I don’t understand how I could have believed you were a warm, affectionate, and tenderhearted person! You’re obviously as prickly as a porcupine and any man who comes close to you will end up with a face full of quills! - Colleen Houck