Sixteen Signs of Intelligence: 1. Knows when to stay silent; 2. Always learning but never flaunts credentials; 3. Understands delayed gratification; 4. Controls emotions; 5. Knows when to refuse; 6. Focuses on simplification; 7. Good at asking questions; 8. Knows how to show weakness; 9. Has a clear understanding of money; 10. Recognizes patterns; 11. Thinks independently; 12. Leverages resources; 13. Desensitized to failure; 14. Knows how to wait for the right moment; 15. Has clear self-awareness; 16. Simplifies complex problems.