“Let me not be understood as saying that there are no bad laws, nor that grievances may not arise for the redress of which no legal provisions have been made. I mean to say no such thing. But I do mean to say that although bad laws, if they exist, should be repealed as soon as possible, still, while they continue in force, for the sake of example they should be religiously observed.”

“Determine that the thing can and shall be done and then... find the way.”

“Slavery is founded in the selfishness of man's nature, opposition to it in his love of justice. These principles are an eternal antagonism, and when brought into collision so fiercely as slavery extension brings them, shocks and throes and convulsions must ceaselessly follow.”

“If you once forfeit the confidence of your fellow citizens, you can never regain their respect and esteem. It is true that you may fool all of the people some of the time; you can even fool some of the people all of the time; but you can't fool all of the people all of the time. -Speech at Clinton, Illinois, September 8, 1854.”

“With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have a great respect for the semi-colon; it's a useful little chap.”

“People who have no vices, have very few virtues.”

“It is the eternal struggle between these two principles - right and wrong - throughout the world. They are the two principles that have stood face to face from the beginning of time; and wll ever to struggle.”

“Four score and seven years ago our fathers brought forth on this continent a new nation, conceived in liberty and dedicated to the proposition that all men are created equal. Now we are engaged in a great civil war, testing whether that nation or any nation so conceived and so dedicated can long endure. We are met on a great battlefield of that war. We have come to dedicate a portion of that field as a final resting-place for those who here gave their lives that that nation might live. It is altogether fitting and proper that we should do this. But in a larger sense, we cannot dedicate, we cannot consecrate, we cannot hallow this ground. The brave men, living and dead who struggled here have consecrated it far above our poor power to add or detract. The world will little note nor long remember what we say here, but it can never forget what they did here. It is for us the living rather to be dedicated here to the unfinished work which they who fought here have thus far so nobly advanced. It is rather for us to be here dedicated to the great task remaining before us — that from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion — that we here highly resolve that these dead shall not have died in vain, that this nation under God shall have a new birth of freedom, and that government of the people, by the people, for the people shall not perish from the earth.” 

“Passion has helped us; but can do so no more. It will in future be our enemy. Reason, cold, calculating, unimpassioned reason, must furnish all the materials for our future support and defence.”

“He whose wisdom surpasses that of all philosophers, has declared that 'a house divided against itself cannot stand”

“With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have a great respect for the semicolin; it's a useful little chap”

“If slavery is not wrong, nothing is wrong.”

“Allow me to assure you it is a perfect certainty that you will, very soon, feel better - quite happy - if you only stick to the resolution you have taken to procure a military education. I am older than you, have felt badly myself, and know, what I tell you is true. Adhere to your purpose and you will soon feel as well as you ever did. On the contrary, if you falter, and give up, you will lose the power of keeping any resolution, and will regret it all you life.”

“Avoid popularity if you would have peace”

“Upon the subject of education, not presuming to dictate any plan or system respecting it, I can only say that I view it as the most important subject which we as a people can be engaged in.”