Our body is dependent on heaven and heaven on the Spirit.

Those who are inspired by a model other than Nature, labor in vain.

Just as eating against one's will is injurious to health, so studying without a liking for it spoils the memory, and it retains nothing it takes in.

Poor is the man who desires a lot

That which can be lost cannot be deemed riches.

For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and there you will long to return.

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.