There is nothing happens to any person but what was in his power to go through with.

If there is no struggle, there is no progress.

Pure mathematics is, in its way, the poetry of logical ideas.

The dogmas of the quiet past are inadequate to the stormy present.

Wrinkles should merely indicate where smiles have been.

In seed time learn, in harvest teach, in winter enjoy

Strength is life, weakness is death. Expansion is life, contraction is death. Love is life, hatred is death.