Gliding Timing

Castles are built in a day
on the fore front of aft
Consider the beginning
of time and the end
Ask not your memory
to go with your gut
Forget not the things
palaces gone away
Carry along
nothing but a key
Forage and feed
feast when you can
Control the urges
or wrest not the plan
Become what you are?
sages are heedful
Carry the burden
vagaries gleeful