The one exclusive sign of thorough knowledge is the power of teaching.

• But if nothing but soul, or in soul mind, is qualified to count, it is impossible for there to be time unless there is soul, but only that of which time is an attribute, i.e. if change can exist without soul.
• You will never do anything in this world without courage. It is the greatest quality of the mind next to honor.
• Courage is the first of human qualities because it is the quality which guarantees the others.
• Courage is a mean with regard to fear and confidence.
• To run away from trouble is a form of cowardice and, while it is true that the suicide braves death, he does it not for some noble object but to escape some ill.
• It is the mark of an educated mind to be able to entertain a thought without accepting it.
• The roots of education are bitter, but the fruit is sweet.
• Education is an ornament in prosperity and a refuge in adversity.
• Education is the best provision for old age.
• If liberty and equality, as is thought by some, are chiefly to be found in democracy, they will be best attained when all persons alike share in government to the utmost.