Though ambition itself be a vice, yet it is often times the cause of virtues. Quintilian Ambition Virtue
Men are more easily governed through their vices than through their virtues. Napoleon Bonaparte Virtue
The greatest minds are capable of the greatest vices as well as of the greatest virtues. Rene Descartes Mind Virtue
Passions are vices or virtues to their highest powers. Johann Wolfgang von Goethe Power Virtue Passion
The mind is exercised by the variety and multiplicity of the subject matter, while the character is moulded by the contemplation of virtue and vice. Quintilian Mind Virtue
Men imagine that they communicate their virtue or vice only by overt actions, and do not see that virtue or vice emit a breath every moment. Ralph Waldo Emerson Virtue Breathing
For a solitary animal egoism is a virtue that tends to preserve and improve the species: in any kind of community it becomes a destructive vice. Erwin Schrodinger Virtue