"

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

"

He alone is free who lives with free consent under the entire guidance of reason

"

whatsoever is, is in God, and without God nothing can be, or be conceived

"

I do not know how to teach philosophy without becoming a disturber of the peace.

"

I have made a ceaseless effort not to ridicule, not to bewail, not to scorn human actions, but to understand them.

"

Things which are accidentally the causes either of hope or fear are called good or evil omens.

"

The more you struggle to live, the less you live. Give up the notion that you must be sure of what you are doing. Instead, surrender to what is real w...more

"

I do not know how to teach philosophy without becoming a disturber of established religion.

"

I call him free who is led solely by reason.

"

After experience had taught me that all the usual surroundings of social life are vain and futile; seeing that none of the objects of my fears contain...more

"

aquele que quer responder às injúrias com o ódio vive na tristeza ou na mágoa, aquele que quer vencer o ódio com o amor combate alegremente e sem temo...more

"

I shall treat the nature and power of the Affects, and the power of the Mind over them, by the same Method by which, in the preceding parts, I treated...more

"

I should attempt to treat human vice and folly geometrically... the passions of hatred, anger, envy, and so on, considered in themselves, follow from ...more

"

Falsity consists in the privation of knowledge, which inadequate, fragmentary, or confused ideas involve.

"

Most errors consist only in our not rightly applying names to things. For when someone says that the lines which are drawn from the center of a circle...more