In youth the days are short and the years are long. In old age the years are short and day's long.

Anger is as a stone cast into a wasp's nest.

Affection, like melancholy, magnifies trifles; but the magnifying of the one is like looking through a telescope at heavenly objects; that of the other, like enlarging monsters with a microscope.

No more war! Never again war! If you wish to be brothers, drop your weapons.

Physics does not change the nature of the world it studies, and no science of behavior can change the essential nature of man, even though both sciences yield technologies with a vast power to manipulate the subject matters.

Every mother is like Moses. She does not enter the promised land. She prepares a world she will not see.

Liturgy is like a strong tree whose beauty is derived from the continuous renewal of its leaves, but whose strength comes from the old trunk, with solid roots in the ground.

The important role of union organizations must be admitted: their object is the representation of the various categories of workers, their lawful collaboration in the economic advance of society, and the development of the sense of their responsibility for the realization of the common good.[source].