3942 Advice by MynoT

Another very sound puzzle from MynoT. In the form of a Carte Blanche puzzle, solvers had to fill the four identical grids and place them in the suitable order. Solvers had to look for a piece of advice and may have been surprised to discover that the message was in Latin. The correct positioning was to reveal the quotation - "Gaudeamus igitur juvenes dum sumus" (Let us rejoice therefore, while we are young).

One who's dead having wings (5)
ALATE A + LATE (dead)
Surrounded by a mess? Not half (4)
AMID A MID(DEN)
Against one tree ... (4)
ANTI An + TI
... timorous reptile has little space (5)
ASPEN ASP + EN
Graduate leaves Dawn's music in river (4)
AUDE AUBADE less BA
Spar with singer, not getting on (6)
BARITE baritone less ON
Sailor following soul and rock (6)
BASALT BA (soul) + SALT
Laura's bits of honeycomb (5)
CELLS 2 meanings LAURA = a group of recluses' cells.
Put financial document in chest for Sumatran climber (5)
CUBEB Sumatran climbing pepper BE (Bill of Exchange) in CUB²
Fellow holding wrong ace to be an adept (6)
DEACON anag. ACE in DON
Act of Edmund's weakened lacking song (4)
DEED DELAYED² Spenser's weakened less LAY (song)
Except for one, copy my movements in dance figure (6)
DOSI-DO DO AS I DO less A
Struggles of the French railways (5)
DUELS DU (of the in French) + ELS (elevated railways)
Two ready to race (5)
DUETT DUE (ready) + TT
Dutch doctor's stupid (4)
DUMB
Drops Songs of Praise when Father's absent (4)
EANS PAEANS less PA Eans=drops, gives birth to (of an animal)
Cheer nothing is ruined in retransmitter (6)
ECHOER anag. Cheer + O
Girl advancing name in calm manner (6)
EVENLY EVELYN with N (name) moved
Marine leaving behind Japan to go to France: it's madness (5)
FOLLY JOLLY changing J to F
Government engineers strain to turn back waterspout (6)
GEYSER G + RE + SYE (rev.)
Two fish being lazy (6)
IDLING ID + LING (2 fish)
One turn's right for operatic prince (4)
IGOR I + GO + R ref. Prince Igor
Not quite unidentified, CFS is a disease with unknown cause (6)
INCOME INCO(G) (incognito = unidentified) + ME (CFS = Chronic Fatigue Syndrome)
Spenser's abode has obstructed entrance (5)
INLET IN² + LET
Smart overcoat (5)
JEMMY 2 definitions
Jeune premier's dance having you in audience for one (4)
JUVE JIVE with U (sounds like YOU) for I
New wine causing dangerous frenzy (4)
MUST 2 meanings
Garment that's new on rubbish tip removed (6)
NEBRIS N (new) + (D)EBRIS
Head to America to discover Centaur (6)
NESSUS NESS + US
Stones turning sexy? No (6)
ONYXES anag. sexy no
Snake is more spirited when one leaves it (5)
RACER RACIER less I (American snake of the genus Coluber)
Knight returns with afterthought for files (5)
RISPS SIR (rev.) + PS
Enough said, perhaps, to learn about sulphur (4)
SESE (See SESSA) S (sulphur) in SEE
Suppresses it in sons, possibly (6, two words)
SITS ON IT in anag. SONS
Fins of young salmon eschewing English river (6)
SKEGGS SKEGGERS less E R (English river)
Black ski-run not the start of piste (4)
SLOE SLOPE less P
Liquid mud is luxurious (5)
SLUSH 'S + LUSH
Ducks appear returning from South (5)
SMEES S + SEEM (reversed)
Cuts short would-be toffs getting Ecstasy for nothing (5)
SNEBS SNOBS with E for O
Cut inside is needed (4)
SNEE Hidden
Out of training like students (6)
SOFTAS SOFT + AS (like)
System for rising quickly, impassively but not lazily (4)
STOL STOLIDLY less IDLY
Parts of brain flipping in frantic lust (5)
SULCI Hidden reversed
Return of variable pain around root of tooth is rarely typical (6)
TRUTHY Y (variable) + T (root of tooth) in HURT (rev.)
Drive werewolf to lose skin (4)
TURN TURNSKIN less SKIN
American queen's employer (4)
USER US + ER
Taking interest in University? Certainly (5)
USURE U + SURE
Peterman's ultimately dodgy mine (4)
YEGG Y (last letter of dodgy) + EGG (a mine)