Compromise cannot be allowed in cases where the exact truth is ascertainable.

Yet as I cast my eye over the whole course of science I behold instances of false science, even more pretentious and popular than that of Einstein gradually fading into ineptitude under the searchlight; and I have no doubt that there will arise a new generation who will look with a wonder and amazement, deeper than now accompany Einstein, at our galaxy of thinkers, men of science, popular critics, authoritative professors and witty dramatists, who have been satisfied to waive their common sense in view of Einstein's absurdities.

There are tides of justice surging to the unknown shores of right; Stars of truth that seek a setting in the dark, untutored night.

The accumulation of facts, even if interesting in themselves, should not constitute the main part of education; these facts, whether they be of classical learning or knick-knacks of history, will be of little use unless the mind has been trained to see them in proper perspective.

The future seems a little gloomy! Go to bed early, sleep well, eat moderately at breakfast; the future looks brighter. The world's outlook may not have changed, but our capacity for dealing with it has. Happiness, or unhappiness, depends to some extent on external conditions, but also, and in most cases chiefly, on our own physical and mental powers. Some people would be discontented in Paradise, others ... are cheerful in a graveyard.

True love survives all shocks: an affection originally produced by admiration for unusual beauty may not only survive the loss of that beauty, but may become more intense if the beauty has changed into ugliness through causes that bind the lovers together in tender associations.

Some people would be discontented in Paradise, others ... are cheerful in a graveyard.