No man can produce great things who is not thoroughly sincere in dealing with himself. James Russell Lowell
Leaving virtue without proper cultivation; not thoroughly discussing what is learned; not being able to move towards righteousness of which a knowledge is gained; and not being able to change what is not good: - these are the things which occasion me solicitude. Confucius
One might be led to suspect that there were all sorts of things going on in the Universe which he or she did not thoroughly understand. Kurt Vonnegut
If words of command are not clear and distinct, if orders are not thoroughly understood, the general is to blame. But if his orders are clear, and the soldiers nevertheless disobey, then it is the fault of their officers. Sun Tzu
If words of command are not clear and distinct, if orders are not thoroughly understood, the general is to blame. Sun Tzu