Vous avez cherché: sincerity (Anglais - Latin)

sincerity
puritas cordis

there is honour in sincerity
in candore decus

surrender, submission, obedience, sincerity, and peace
deditionem subegit obedientia sinceritas pacis

truth (or sincerity) gives wings to strength
candor dat viribus alas

surrender, to submission, and obedience to sincerity until peace
de jesu, dicionem redegit, eique obedientes fore sinceritate ad pacem

i speak not by commandment, but by occasion of the forwardness of others, and to prove the sincerity of your love.
non quasi imperans dico sed per aliorum sollicitudinem etiam vestrae caritatis ingenitum bonum conproban

in all things shewing thyself a pattern of good works: in doctrine shewing uncorruptness, gravity, sincerity,
in omnibus te ipsum praebe exemplum bonorum operum in doctrina integritatem gravitate

for we are not as many, which corrupt the word of god: but as of sincerity, but as of god, in the sight of god speak we in christ.
non enim sumus sicut plurimi adulterantes verbum dei sed ex sinceritate sed sicut ex deo coram deo in christo loquimu

now therefore fear the lord, and serve him in sincerity and in truth: and put away the gods which your fathers served on the other side of the flood, and in egypt; and serve ye the lord.
nunc ergo timete dominum et servite ei perfecto corde atque verissimo et auferte deos quibus servierunt patres vestri in mesopotamia et in aegypto ac servite domin

veritas, veritatis truth, fact, accuracy; honesty, truthfulness, frankness; sincerity, uprightness; reality, that which is real; real life, actuality; true nature; correctness;
veritas