Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful. - Samuel Johnson

If your determination is fixed, I do not counsel you to despair. Few things are impossible to diligence and skill. Great works are performed not by strength, but perseverance.

Shakespeare's plays are not in the rigorous and critical sense either tragedies or comedies, but compositions of a distinct kind; exhibiting the real state of sublunary nature, which partakes of good and evil, joy and sorrow, mingled with endless variety of proportion and innumerable modes of combination; and expressing the course of the world, in which the loss of one is the gain of another; in which, at the same time, the reveller is hasting to his wine, and the mourner burying his friend; in which the malignity of one is sometimes defeated by the frolick of another; and many mischiefs and many benefits are done and hindered without design.

The chains of habit are too weak to be felt until they are too strong to be broken.