The Line is never straight or corners are never sharp in nature. Thus, buildings ought to have no straight lines or sharp corners.
Definition.com
Definition.com
The Line is, in painting, related to time. The longer a line, the more of the time element it contains because distance is time whereas a surface is apprehended more in terms of the moment.
One-Liner.com
Parallel lines have so much in common. It’s a shame they’ll never meet.
Definition.com
The Line is composed of straight lines, genteelness and elegance are made of serpentine lines.
Meme.com

Definition.com
The Line comes into being, goes out for a walk, so to speak, aimlessly for the sake of the walk.
See also
.com