It is not enough that a man has clearness of vision, and reliance on sincerity, he must also have the art of expression, or he will remain obscure.

Endeavour to be faithful, and if there is any beauty in your thought, your style will be beautiful; if there is any real emotion to express, the expression will be moving.

A cell is regarded as the true biological atom.

Science is the systematic classification of experience.

Speak for yourself and from yourself, or be silent.

Bad acting, like bad writing, has a remarkable uniformity, whether seen on the French, German, or English stages; it all seems modeled after two or three types, and those the least like types of good acting. The fault generally lies less in the bad imitation of a good model, than in the successful imitation of a bad model.

No man ever made a great discovery without the exercise of the imagination.