Those who are not good to others are bad to themselves.

- Pope Leo I

Virtue is nothing without the trial of temptation, for there is no conflict without an enemy, no victory without strife.

- Pope Leo I

No one, however weak, is denied a share in the victory of the cross. No one is beyond the help of the prayer of Christ.

- Pope Leo I

The devil is always discovering something novel against the truth.

- Pope Leo I

The faith of those who live their faith is a serene faith. What you long for will be given you; what you love will be yours for ever.

- Pope Leo I

The faith by which we live shall never vary in any age . . . for one is the faith which sanctifies the Just of all ages.

- Pope Leo I

Let no one be ashamed of the cross by which Christ has redeemed the world. None of us must be afraid to suffer for the sake of justice or doubt the …

- Pope Leo I

He that sees another in error and endeavors not to correct it, testifies himself to be in error.

- Pope Leo I

The cross of Christ is the true ground and chief cause of Christian hope.

- Pope Leo I