NOT to my contemporaries, not to my compatriots but to mankind I commit my now completed work in the confidence that it will not be without value for them, even if this should be late recognised, as is commonly the lot of what is good. For it cannot have been for the passing generation, engrossed with the delusion of the moment, that my mind, almost against my will, has uninterruptedly stuck to its work through the course of a long life. preface to the second edition of "the world as will and representation
Every man takes the limits of his own field of vision for the limits of the world. This is an error of the intellect as inevitable as that error of the eye which lets you fancy that on the horizon heaven and earth meet.
If the lives of men were relieved of all need, hardship and adversity; if everything they took in hand were successful, they would be so swollen with arrogance that, though they might not burst, they would present the spectacle of unbridled folly-nay, they would go mad. And I may say, further, that a certain amount of care or pain or trouble is necessary for every man at all times. A ship without ballast is unstable and will not go straight.
Happiness belongs to those who are sufficient unto themselves. For all external sources of happiness and pleasure are, by their very nature, highly uncertain, precarious, ephemeral and subject to chance.
To become indignant at [people's] conduct is as foolish as to be angry with a stone because it rolls into your path. And with many people the wisest thing you can do, is to resolve to make use of those whom you cannot alter.
They tell us that suicide is the greatest piece of cowardice... that suicide is wrong; when it is quite obvious that there is nothing in the world to which every man has a more unassailable title than to his own life and person.
Memory works like the collection glass in the Camera obscura: it gathers everything together and therewith produces a far more beautiful picture than was present originally.