Spending your time reinforcing your point of view is the opposite of challenging yourself. (entrepreneur.com)
Learn truth, which is opposite in every way to your ignorant, hateful lies and against the humane slaughter of animal food. (religion.blogs.cnn.com)
And then there's the opposite of this, which gives the title to my book: people who develop an oddly specific need for music — they must have it. (discovermagazine.com)