What I must do is all that concerns me, not what the people think.

There are always difficulties arising that tempt you to believe your critics are right.

Line in Nature is not found; Unit and Universe are round.

Heaven often protects valuable souls charged with great secrets, great ideas, by long shutting them up with their own thoughts.

When he is pushed, tormented, defeated, he has a chance to learn something; he has been put on his wits, on his manhood; he has gained facts; learns his ignorance; is cured of the insanity of conceit; has got moderation and real skill.

Many eyes go through the meadow, but few see the flowers in it

The only true gifts are a portion of yourself.