“He who can copy can do.”

“As you cannot do what you want,Want what you can do”

“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”

“There are three classes of people: those who see. Those who see when they are shown. Those who do not see.”

“Nothing can be loved or hated unless it is first understood.”

“He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.”

“He who thinks little errs much…”