I've written an article on the Crossway blog about the course of this world (Ephesians 2:2) and how to resist it. Here's a brief excerpt...
“Through our godly lives, God’s light illumines the shadowy darkness of the world (Phil. 2:15). And through Christ, we can resist the vortex of the course of this world. One way to practically do this is to “weep with those who weep” (Rom. 12:15).
Your weeping implies that you recognize something to sincerely weep about. This may give you an opportunity to tell why you aren’t falling for the course of this world’s gravitational pull into complacency and acceptance of evil. Do not underestimate the impact of your tears in the life of your friends...”