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Only those thoughts which come from walking have any value

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All truly great thoughts are conceived by walking.

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The man of knowledge must be able not only to love his enemies but also to hate his friends.

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A thinker sees his own actions as experiments and questions--as attempts to find out something. Success and failure are for him answers above all.

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If thinking is your fate, revere this fate with divine honour and sacrifice to it the best, the most beloved

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Profundity of thought belongs to youth clarity of thought to old age.

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We do not belong to those who have ideas only among books, when stimulated by books. It is our habit to think outdoors - walking, leaping, climbing, d...more

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Doubt as sin. — Christianity has done its utmost to close the circle and declared even doubt to be sin. One is supposed to be cast into belief without...more

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However modest one may be in one's demand for intellectual cleanliness, one cannot help feeling, when coming into contact with the New Testament, a ki...more

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But one thing is the thought, another thing is the deed, and another thing is the idea of the deed. The wheel of causality doth not roll between them.