One isn't necessarily born with courage, but one is born with potential. Without courage, we cannot practice any other virtue with consistency. We can't be kind, true, merciful, generous, or honest.
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Courage is the most important of all the virtues, because without courage you can't practice any other virtue consistently. You can practice any virtue erratically, but nothing consistently without courage.
In addition to making the IT certification exams more difficult, certification vendors has created many new certifications with tough criteria. Cisco introduced UCXAM 646-223 Unified Communications and 646-976 Data Center exams recently. Microsoft 70-236 Exchange Server 2007, Deploying Messaging Solutions 70-238 and MCITP 70-453 are the difficult and best level certification exam.