I yield to your wishes. It is the privilege of the women whom we love more than they love us to make the men who love them ignore the ordinary rules of common-sense.
However we select from nature a complex [of phenomena] using the criterion of simplicity, in no case will its theoretical treatment turn out to be forever appropriate (sufficient).... I do not doubt that the day will come when [general relativity], too, will have to yield to another one, for reasons which at present we do not yet surmise. I believe that this process of deepening theory has no limits.
Tis gold Which buys admittance--oft it doth--yea, and makes Diana's rangers false themselves, yield up This deer to th' stand o' th' stealer: and 'tis gold Which makes the true man kill'd and saves the thief, Nay, sometimes hangs both thief and true man.
Truth is like a vast tree which yields more and more fruit the more you nurture it. The deeper the search in the mind of truth, the richer the discovery of the gems buried there.
If a great country yields to a small country, it will conquer the small country. If a small country yields to a great country, it will be conquered by the great country.