“If there is not radical, concrete growth in humble love towards everyone (even your enemies), you don’t really know you are a sinner saved by grace. And if there is not radical, concrete growth in confidence and joy (even in difficulties), you don’t really know you are a sinner saved by grace. - Timothy Keller” Gospel Centred Book:The Supremacy of Christ in a Postmodern World Source: The Supremacy of Christ in a Postmodern World