What this quote means

A good cause can survive open attacks, as they spark debate and clarify issues. But clumsy defense, with weak arguments or mistakes, can discredit the cause itself. This insight applies to any endeavor you believe in: it's not enough to be right; you must demonstrate it with rigor. In a debate, a blunder can do more damage than a hostile assault.

How to apply it daily

Before defending an idea you care about, prepare your arguments, anticipate objections, and choose concrete examples to strengthen your case.