Perfection is such a nuisance that I often regret having cured myself of using tobacco.
An entire lifetime would not be long enough for you to exhaust the glance of the young harvest-girl.
Man's highest duty is to protect animals from cruelty.
Did science promise happiness? I do not believe it. It promised truth, and the question is to know if we will ever make happiness with truth.
Nothing develops intelligence like travel.
Inability, human incapacity, is the only boundary to an art.