It is no small art to sleep: for that purpose you must keep awake all day.
You can buy my time and effort, but you have to earn my dedication.
If they can get you asking the wrong questions, they don’t have to worry about answers.
Education consists mainly of what we have unlearned.
Go to Heaven for the climate. Hell for the company.
Science is what we have learned about how to keep from fooling ourselves.
Anger is a wind which blows out the lamp of the mind.
Give a girl an education and introduce her properly into the world, and ten to one but she has the means of settling well, without further expense to anybody.
A man who dares to waste one hour of time has not discovered the value of life.