求一些有关诚信的英语谚语,

Distrust can be contagious。But,so can trust。(Robbins Stacia,British writer)
不信任有传染性。但是信任也如此。(英国作家 斯达卡。R。)
If you would convince others ,you seem open to conviction yourself。(Philip Dormer Chesterfield,British statesman)
要说服别人,先得说服自己。(英国政治家 切斯特菲尔德。P。D。)
Better deny at once than promise long
轻诺必寡信
Promise is debt 一诺千金
a man of his word 言而有信的人
An honest man's word is as good as his bond 君子一言,驷马难追