Why do Catholics get ashes on their forehead when Lent begins? Doesn't Jesus condemn public signs of fasting?

Placing your trust in someone is a kind of leap of faith. But what happens when we're asked to accept something that reason cannot verify? Is it even rational to believe something that cannot be verified with reason?

Many people today are very skeptical of the word faith. Afterall, in an age of science and technology, many see faith as a relic of the past, an outdated and superstitious practice. With all our modern era’s skepticism about faith, how can any sober Catholic believe that faith is in harmony with reason?

If God is the creator of all things, then who created God?