If you look at any Muslim society and you make a scale of how developed they are, and how successful the economy is, it's a straight line. It depends on how much they emancipate their women. ↗
A modern democracy is a tyranny whose borders are undefined; one discovers how far one can go only by traveling in a straight line until one is stopped. ↗
I see that the path of progress has never taken a straight line, but has always been a zigzag course amid the conflicting forces of right and wrong, truth and error, justice and injustice, cruelty and mercy. ↗
There are many crooked lines and one straight line. Which is the line of truth? Why the straight line? Truth is always the shortest distance between two points. ↗
I like science and I love gym. Oh, and I like art, but I'm really bad at it. I'm just a terrible drawer. I can't draw a circle. Even with a ruler, I can't draw a straight line. ↗
The other inmates stand in a long straight line, flanked by guards, and I am dragged past them. I do not respect them, because they will not run - will not try to escape. ↗