Spinoza

"Those who are governed by hope rather than fear live in constant anxiety."

"The more the mind understands all things as necessary, the greater is its power of acting."

"Hatred is never appeased by hatred in return, but only by love."

"To live in the present moment is to transcend the tyranny of time."

"The human mind cannot be absolutely destroyed with the human body, but something of it remains which is eternal."

"Passive emotions arise from inadequate ideas; active emotions from adequate ones."

"We are determined from without; we are free to the extent we are self-determined."

"Envy is love, insofar as it so affects a man that he is glad at another's lack of power to do good."

"The mind has greater power over negative emotions by the understanding of them."

"What is determination but the negation of a thing? And what is negation without affirmation?"

"Extension and thought are one and the same thing, expressed in two different manners."

"The body's capacity to be affected in many ways is a measure of the mind's perfection."

"Imagination is the first kind of knowledge; reason is the second; intuitive science is the third."

"He who feels disgust readily sinks into despair when he perceives he has been deceived."

"The greatest strength is found not in power over others, but in understanding oneself."

"Nature abhors a vacuum; so does the human heart when love is absent."

"To pity is to rejoice in one's own superiority; true compassion is something higher."

"All determination is negation; we are what we affirm, not what we deny."

"The mind is eternal insofar as it understands all things under the aspect of eternity."

"Shame is love converted to a belief in one's own inadequacy."

"Peace of mind cannot be purchased; it must be earned through understanding."

"Reality is not what we perceive; it is what we adequately understand."

"The man who despairs is nearer to virtue than he who never doubts himself."

"Things are good in proportion as they aid our preservation and development."

"Sorrow is the transition from greater to lesser being."

"The more we understand necessity, the more we transcend mere chance and fear."

"An individual thing is determined to exist and act by another individual thing, and so on infinitely."

"To understand is to see the necessity in all things."

"Hate cannot coexist with love; they are opposite movements of the soul."

"The mind's power is measured not by the absence of struggle, but by its capacity to understand."