Shakespeare's Sonnets: Those lines that I before have writ do lie

Those lines that I before have writ do lie,Ev'n those that said I could not love you dearer,Yet then my judgement knew no reason whyMy most full flame should afterwards burn clearer.But reck'ning time, whose million'd accidentsCreep in 'twixt vows, and change decrees of kings,Tan sacred beauty, blunt the sharp'st intents,Divert strong minds to th' course of alt'ring things,Alas, why, fearing of time's tyranny,Might I not then say, "Now I love you best,"When I was certain o'er in-certainty,Crowning the present, doubting of the rest? Love is a babe: then might I not say so To give full growth to that which still doth grow.