| Have the most reliable info | 27 |
| Deserve to be listened to, say | 30 |
| One who apprehends | 18 |
| Savvy one | 9 |
| One with answers | 16 |
| One who's certain | 21 |
| Informed one | 12 |
| Informed fellow | 15 |
| Apprehenders | 12 |
| Wallow in ignorance | 19 |
| Recognize terrific fountain treats? | 35 |
| Technical skill | 15 |
| Kremlin expertise? | 18 |
| Abilities | 9 |
| Seed pearl, part 2 | 18 |
| Opposite of being in the dark | 29 |
| ___-all (smart aleck) | 21 |
| Smart aleck | 11 |
| Wisenheimer | 11 |
| One needing no advice | 21 |
| Would-be expert | 15 |
| Smart aleck, say | 16 |
| Advice-disdaining sort | 22 |
| Have the song memorized | 23 |
| Cognition | 9 |
| Power, to Francis Bacon | 23 |
| Power, so they say | 18 |
| Fruits of education | 19 |
| What scientists working for Gatorade have? | 42 |
| Start of Robert Lynd quote | 26 |
| Start of a thought by British journalist Miles Kington | 54 |
| Seed pearl, part 1 | 18 |
| Ignorance is bliss, but ... | 27 |
| John whose most famous book bears the same title as this puzzle | 63 |
| Billboard's most successful female artist, 2000-2009 | 56 |
| Lardner's "You ___ Al" | 36 |
| Really get finances? | 20 |
| Commonly called | 15 |
| Be aware negatively? | 20 |
| Givens | 6 |
| They're not debatable | 25 |
| They're already familiar | 28 |
| Factors accounted for | 21 |
| Have information about | 22 |
| "Not that I ___" | 26 |
| Not get uppity | 14 |
| Be familiar with a city near White Plains? | 42 |
| Fatherless | 10 |
| Is acquainted with a quartet of wildebeests? | 44 |
| Is well-versed in a subject | 27 |
| Is adept | 8 |
| Is a pro | 8 |
| Has the material mastered | 25 |
| Has expertise | 13 |
| Understands the operation | 25 |
| Is well-informed | 16 |
| Be an A-one scout? | 18 |
| Sound advice for deck hands | 27 |
| Understand how things are done | 30 |
| Advice for deck hands | 21 |
| Inscription at Delphi | 21 |
| Be acquainted with Vanna? | 25 |
| Complaints about a Kentucky fort? | 33 |
| City served by McGhee Tyson Airport | 35 |
| Some honored Brits: Abbr. | 25 |
| Phil Niekro, for one | 20 |
| It's in your hand | 21 |
| Brass item that enhances a punch | 32 |
| Digital lamebrain? | 18 |
| Nitwit's vacation? | 22 |
| Birdbrain? | 10 |
| R.A. Dickey's master pitch | 30 |
| Brass..... | 10 |
| Giving in to pressure | 21 |
| Racehorse in front of the Federal Hill mansion | 46 |
| Sylvan knot | 11 |
| Knotty bump on a tree | 21 |
| Hard tree growth | 16 |
| Small knob | 10 |
| Small ridge on the edge of a button or dial | 43 |
| Coin-edge ridge | 15 |
| Button ridge | 12 |
| Thumbscrew ridges | 17 |
| Coin-edge ridges | 16 |
| Knotty growths | 14 |
| Rockne's namesakes | 22 |
| Boxing acronym? | 15 |
| Qantas commercial critters | 26 |
| Furry folivores | 15 |
| First priority of an Australian beverage company? | 49 |
| Hawaiian morning glory | 22 |
| Zen riddles | 11 |
| Zen questions | 13 |
| Zen paradoxes | 13 |
| Questions in "The Gateless Gate" | 42 |
| Recommendations from "MotorHome" magazine | 51 |
| Waterbuck | 9 |
| Old Japanese gold coin | 22 |
| Pricey steakhouse selection | 27 |
| German goblin | 13 |