Fire destroys falsehood, that is sophistry, and restores truth, driving out darkness.
Constancy does not begin, but is that which perseveres.
The motive power is the cause of all life.
The memory of benefits is a frail defence against ingratitude.
Shadow is the diminution alike of light and of darkness, and stands between darkness and light.
Our body is dependent on heaven and heaven on the Spirit.
The knowledge of the past times and of the places of the earth is both an ornament and nutriment to the human mind.
The eye - which sees all objects reversed - retains the images for some time.
That which has no limitations, has no form.
Nothing is so much to be feared as Evil Report.
Learning acquired in youth arrests the evil of old age.
The grave will fall in upon him who digs it.
The boundaries of bodies are the least of all things.
The eye which turns from a white object in the light of the sun and goes into a less fully lighted place will see everything as dark.
The limiting surface of one thing is the beginning of another.
Fear arises sooner than anything else.
Experience never errs; it is only your judgments that err by promising themselves effects such as are not caused by your experiments.
Science is the captain, and practice the soldiers.
Each man is always in the middle of the surface of the earth and under the zenith of his own hemisphere, and over the centre of the earth.
The spirit desires to remain with its body, because, without the organic instruments of that body, it can neither act, nor feel anything.
All knowledge which ends in words will die as quickly as it came to life, with the exception of the written word: which is its mechanical part.
Where there is most feeling, there is the greatest martyrdom.
Whatever you do in life, if you want to be creative and intelligent, and develop your brain, you must do everything with the awareness that everything, in some way, connects to everything else.
Beyond a doubt truth bears the same relation to falsehood as light to darkness.
He who possesses most must be most afraid of loss.
Just as food eaten without appetite is a tedious nourishment, so does study without zeal damage the memory by not assimilating what it absorbs.
Intellectual passion drives out sensuality.
The truth of things is the chief nutriment of superior intellects.
Wisdom is the daughter of experience
Just as courage imperils life, fear protects it.