The strong desire for success is the best indication that you can achieve success.
Science when well-digested is nothing but good sense and reason.
It is hardly possible to suspect another without having in one's self the seeds of baseness the party is accused of.
Gaiety is the soul's health; sadness is its poison.
Genius speaks only to genius.
It is having in some measure a sort of wit to know how to use the wit of others.