I love those who can smile in trouble, who can gather strength from distress, and grow brave by reflection. 'Tis the business of little minds to shrink, but they whose heart is firm, and whose conscience approves their conduct, will pursue their principles unto death.

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Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity.

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Details make perfection, and perfection is not a detail.

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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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Learning is the only thing that never disappoints us.

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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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life without love, is no life at all

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I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.

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All thoughts start from emotions.

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There is nothing which deceives us as much as our own judgement.

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