Don't part with your illusions. When they are gone you may still exist, but you have ceased to live. To live a fulfilled life, we need to keep creating the "what is next", of our lives. Without dreams and goals there is no living, only merely existing, and that is not why we are here.

Wherein lies a poet's claim to originality? That he invents his incidents? No. That he was present when his episodes had their birth? No. That he was first to repeat them? No. None of these things has any value. He confers on them their only originality that has any value, and that is his way of telling them.

You can't no more teach what you ain't learned than you can come from where you ain't been.

This morning arrives a letter from my ancient silver-mining comrade, Calvin H. Higbie, a man whom I have not seen nor had communication with for forty-four years. . . . [Footnote: Roughing It is dedicated to Higbie.] . . . I shall allow myself the privilege of copying his punctuation and his spelling, for to me they are a part of the man. He is as honest as the day is long. He is utterly simple-minded and straightforward, and his spelling and his punctuation are as simple and honest as he is himself. He makes no apology for them, and no apology is needed.

It didn't take me long to make up my mind that these liars warn't no kings nor dukes at all, but just low-down humbugs and frauds. But I never said nothing, never let on; kept it to myself; it's the best way; then you don't have no quarrels, and don't get into no trouble. If they wanted us to call them kings and dukes, I hadn't no objections, 'long as it would keep peace in the family; and it warn't no use to tell Jim, so I didn't tell him. If I never learnt nothing else out of pap, I learnt that the best way to get along with his kind of people is to let them have their own way.

In religion and politics people’s beliefs and convictions are in almost every case gotten at second-hand, and without examination, from authorities who have not themselves examined the questions at issue but have taken them at second-hand from other non-examiners, whose opinions about them were not worth a brass farthing.

Temperate temperance is best; intemperate temperance injures the cause of temperance.