“The shortest and surest way of arriving at real knowledge is to unlearn the lessons we have been taught, to mount the first principles, and take nobody's word about them.”

“A cheap writer has an expensive thoughts.”

“It's rewarding if you have an opportunity to do something or to serve, you always give in your best. The world has changed, yes! But that shouldn't make you behave otherwise to the detriment of you...”

“The people of great value are the people who have a noble inner man”

“I see your point. It irks you to see anyone at all who is able to work permitted to live without working. But why do you consider work a virtue?”

“Those who have wisdom have all:Fools with all have nothing.”

“Virtue is harder to be got than knowledge of the world; and, if lost in a young man, is seldom recovered.”

“One must not trifle with love.”

“Nature, to be commanded, must be obeyed.”

“In science, we must be interested in things, not in persons.”