The establishment of trust needs sincere accumulation; The collapse of trust, a lie is enough. anonymous
Double sincerity equals a ton of cleverness. -(France) Dumas
Sincerity is glass, prudence is diamond. -China Jin Yan.
Sincerity. Don't lie; Thought should be pure and fair; Speak in the same way. -(America) Franklin
Of all the moral qualities, the kind nature is the most needed in the world. -(British) Russell
Sincerity is integrity, and managing things is reasonable. -(Song) Shi Yang