Xenophon

"A mind troubled by doubt cannot focus on the task at hand."

"The pursuit of truth is more valuable than its possession."

"In friendship, there must be equality."

"The greatest invention is the human mind."

"The wise man doesn't give the right answers, he poses the right questions."

"A person is not learning anything if they do not understand they are ignorant."

"In times of peace, prepare for war; in times of war, work for peace."

"The greatest wealth is a poverty of desires."

"Those who wish to succeed must ask the right preliminary questions."

"A leader must be willing to sacrifice that which he loves most."

"The horse is a vain creature, but he can be noble in spirit."

"Silence is sometimes an answer."

"He who controls his desires controls his fate."

"The pursuit of knowledge is the pursuit of freedom."

"A man's character is revealed in times of adversity."

"The skilled horseman understands that patience is the greatest virtue."

"Those who serve others serve themselves best."

"Memory is the treasury of the mind."

"The true warrior seeks not victory, but understanding."

"In learning we grow; in stagnation we decay."

"A just man fears nothing but injustice."

"The foundation of all things is order."

"Labor dignifies the soul of man."

"Those who understand themselves understand all things."

"The greatest teacher is experience itself."

"A true friend is rarer than gold."

"Fear is the mind's prison; courage is its liberation."

"The measure of a man is what he does with power."

"Beauty fades, but wisdom endures."

"To know oneself is to know the universe."