One has no right to love or ...

One has no right to love or hate anything if one has not acquired a thorough knowledge of its nature. Great love springs from great knowledge of the beloved object, and if you know it but little you will be able to love it only a little or not at all.
One has no right to love or hate anything if one has not acquired a thorough knowledge of its nature. Great love springs from great knowledge of the beloved object, and if you know it but little you will be able to love it only a little or not at all.
 Leonardo da Vinci

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All our knowledge has its origins in our perceptions.
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It had long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things.
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Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.
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Nothing strengthens authority so much as silence.
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He who is fixed to a star does not change his mind.
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