The following post was inspired by Relevant's 15 Chesterton Quotes That Will Shape Your Faith. It was compiled by Steve Prawiromaruto, a student involved in Chi Alpha at American University.

One

“There is but one good; that is God. Everything else is good when it looks to Him and bad when it turns from Him.” – The Great Divorce (1945)

Two

“Jesus Christ did not say, "Go into all the world and tell the world that it is quite right" – God in the Dock (1970)

Three

“No man knows how bad he is till he has tried very hard to be good.”
- Mere Christianity (1952)

Four

"If a man thinks he is not conceited, he is very conceited indeed."
- Mere Christianity (1952)

Five

"God, who foresaw your tribulation, has specially armed you to go through it, not without pain but without stain."
- Collected Letters of C.S. Lewis (2006)

Six

"It is not your business to succeed, but to do right; when you have done so, the rest lies with God." - Yours, Jack: Spiritual Direction from C.S. Lewis (2008)

Seven

"Aim at heaven and you will get earth thrown in. Aim at earth and you get neither." – Mere Christianity (1952)

Eight

"If you want a religion to make you feel really comfortable, I certainly don’t recommend Christianity." – God in the Dock (1970)

Nine

"Pride gets no pleasure out of having something, only out of having more of it than the next man." – Mere Christianity (1952)

Ten

"To be a Christian means to forgive the inexcusable, because God has forgiven the inexcusable in you." – Essays on Forgiveness (1960)

Eleven

"I believe in Christianity as I believe that the sun has risen — not only because I see it, but because by it I see everything else."
- Is Theology a Poetry (1945)

Twelve

"The Son of God became a man to enable men to become sons of God."
- Mere Christianity (1952)

Thirteen

"Christianity, if false, is of no importance and, if true, is of infinite importance. The one thing it cannot be is moderately important."
- God in the Dock (1970)

Fourteen

"God allows us to experience the low points of life in order to teach us lessons that we could learn in no other way."
- The Problem of Pain (1940)

Fifteen

"If I find in myself a desire which no experience in this world can satisfy, the most probable explanation is that I was made for another world."
- Mere Christianity (1952)