Unica virtus necessaria—Virtue is the only thing necessary.

Union does everything when it is perfect; it satisfies desires, it simplifies needs, it foresees the wishes of the imagination; it is an aisle always open, and becomes a constant fortune. De Senancour.

Union (combination) is best for men, either with their own tribe or with strangers; for even a grain of rice groweth not when divided from its husk. Hitopadesa.

Union is strength. Pr.

Unitate fortior—Stronger by being united. M 30

"United we stand, divided we fall," / It made and preserves us a nation. G. P. Morris.

Unity, agreement, is always silent or soft-voiced; it is only discord that loudly proclaims itself. Carlyle.

Unity and morality belong to philosophy, not to poetry. Wm. Blake.

Unity and simplicity are the two true sources of beauty. Supreme beauty resides in God. Winckelmann.

Uniforms are often masks. Wellington. 35