Try to learn something about everything and everything about something.- Thomas Huxley
Time, whose tooth gnaws away everything else, is powerless against truth.
There is the greatest practical benefit in making a few failures early in life.
There is no sea more dangerous than the ocean of practical politics none in which there is more need of good pilotage and of a single, unfaltering purpose when the waves rise high.
There is but one right, and the possibilities of wrong are infinite.
The world makes up for all its follies and injustices by being damnably sentimental.
The world is neither wise nor just, but it makes up for all its folly and injustice by being damnably sentimental.
The ultimate court of appeal is observation and experiment... not authority.
The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals.
The scientific spirit is of more value than its products, and irrationally held truths may be more harmful than reasoned errors.
The scientific imagination always restrains itself within the limits of probability.
The rung of a ladder was never meant to rest upon, but only to hold a man's foot long enough to enable him to put the other somewhat higher.
The results of political changes are hardly ever those which their friends hope or their foes fear.
The only question which any wise man can ask himself, and which any honest man will ask himself, is whether a doctrine is true or false.
The only medicine for suffering, crime, and all other woes of mankind, is wisdom. Teach a man to read and write, and you have put into his hands the great keys of the wisdom box. But it is quite another thing to open the box.
