Iron rusts from disuse; water loses its purity from stagnation ... even so does inaction sap the vigour of the mind.
Quote by Leonardo Da Vinci
Nature is full of infinite causes that have never occurred in experience.
All our knowledge has its origins in our perceptions.
I have learned from an early age to abjured the use of meat, and the...
Life well spent is long.
Intellectual passion drives out sensuality
Here are three classes of people: Those who see. Those who see when they are...
Simplicity is the ultimate sophistication.
People react to fear, not love - they don't teach that in Sunday School, but...
Where the spirit does not work with the hand there is no art
The smallest feline is a masterpiece.
No artist is ahead of his time. He 'is' his time; it is just that...
As a well spent day brings happy sleep, so a life well spent brings happy...
Beyond a doubt truth bears the same relation to falsehood as light to darkness.
A well-spent day brings happy sleep
Human subtlety will never devise an invention more beautiful, more simple or more direct than...
As a well-spent day brings happy sleep, so a life well spent brings happy death.
Men of lofty genius when they are doing the least work are most active.
To live for a time close to great minds is the best kind of education.
Jealousy is the tribute mediocrity pays to genius.
Great spirits have always encountered violent opposition from mediocre minds.