Shun no toil to make yourself remarkable by some talent or other yet do not devote yourself to one branch exclusively. Strive to get clear notions about all. Give up no science entirely for science is but one.

Success is not greedy, as people think, but insignificant. That is why it satisfies nobody.

Success consecrates the most offensive crimes.

Great grief does not of itself put an end to itself.

It is another's fault if he be ungrateful, but it is mine if I do not give. To find one thankful man, I will oblige a great many that are not so.