Certain though I am - and ever more certain - that I must press on in life as though Christ awaited me at the term of the universe, at the same time I feel no special assurance of the existence of Christ. Believing is not seeing. As much as anyone, I imagine, I walk in the shadows of faith.

By its birth, and for all time, Christianity is pledged to the Cross and dominated by the sign of the Cross. It cannot remain its own self except by identifying itself ever more intensely with the essence of the Cross.

To be Catholic is the only way of being fully and utterly Christian.

Pierre Teilhard de Chardin Quotes